tag:blogger.com,1999:blog-27944935417381109632024-03-14T09:27:20.218+01:00Photography of the Invisible WorldMy BLOG about my journey into the invisible world of ultraviolet UV photography, simulated bee, butterfly and animal vision photography and the special lenses, filters and lighting needed to make it work - also in HD video + 3D stereo.Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comBlogger942125tag:blogger.com,1999:blog-2794493541738110963.post-75974571889421883982024-02-03T15:31:00.001+01:002024-02-03T15:31:51.551+01:00Moth orchid - Phalaenopsis in reflected ultraviolet photography and simulated butterfly and bee vision using a UV-Nikkor 105mm lens VToday in February 2024 some studio shots of a well known decorative flower, a white <a href="https://en.wikipedia.org/wiki/Phalaenopsis">Moth orchid - Phalaenopsis</a> in reflected ultraviolet photography using my "work horse" UV filter as well as simulated bee and butterfly vision shot with my "work horse" UV-Nikkor f4.5/105mm quartz fluorite lens. UV filter used was the Baader-U filter, my "work horse" filter for reflected UV as well as my proprietary XBV filters for simulated bee and butterfly vision. All shots were done at f11. Light source used was a Xenon flash modified for high UV output. <br />
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[click on image to see a larger one]
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Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/174319822/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174319822/medium.jpg" /></a><br />
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Reflected UV (Baader-U):<br />
<a href="http://www.pbase.com/kds315/image/174319823/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174319823/medium.jpg" /></a><br />
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Simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/174319824/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174319824/medium.jpg" /></a><br />
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Simulated Butterfly Vision:<br />
<a href="http://www.pbase.com/kds315/image/174319825/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174319825/medium.jpg" /></a><br />
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Quadriptych of human vision, UV, simulated bee and butterfly vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/174319826/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174319826/medium.jpg" /></a><br />
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This orchid has not a very specific UV pattern, its petals are UV reflective around 380nm, but its middle tip (column and gymnostemium) have a rather UV bright spot reflecting around 370nm surrounded by an UV-dark area which gets nicely visible.<p>The UV-Nikkor 105mm lens is known to be a very well working one for multispectral imaging w/o focus shift, with a nice 1:2 close up focusing capability from infinity up to 48cm (0.48 meter). Sharpness is very good and so is its contrast, even from f4.5 onwards. With a Nikon PN-11 extension tube of 52.5mm length it reaches 1:1 (1x) magnification. It has the standard Nikon-F mount, and it covers full format sensors (41mm image diameter). It is defined to reach down to 190nm and up to 1300nm in near infrared; my measured <a href="https://photographyoftheinvisibleworld.blogspot.com/2021/01/lens-transmissions-of-specialized.html" target="_blank">transmission spectra of it may be seen here</a>.<br />
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I have written more about this orchid <a href="https://photographyoftheinvisibleworld.blogspot.com/search?q=phalaenopsis" target="_blank">HERE</a>. <br />
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Stay tuned, more will follow on that fascinating subject...<br />
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More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-79847875471975271672024-01-25T17:52:00.005+01:002024-01-25T17:55:04.212+01:00Arrowwood - Viburnum bodnantense in reflected ultraviolet photography, simulated bee and butterfly visionToday still in cold January 2024 shots of a blossoming <a href="https://en.wikipedia.org/wiki/Viburnum_%C3%97_bodnantense">Arrowwood - Viburnum bodnantense</a> bush in reflected ultraviolet photography and simulated bee and butterfly vision. All shots were done at f11 in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as my XBV filters for simulated bee and butterfly vision. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was a modified Xenon flash.<br />
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[click on image to see a larger one]
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Human vision:<br />
<a href="http://www.pbase.com/kds315/image/174301394/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174301394/medium.jpg" /></a><br />
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Reflected UV:<br />
<a href="http://www.pbase.com/kds315/image/174301395/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174301395/medium.jpg" /></a><br />
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Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/174301396/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174301396/medium.jpg" /></a><br />
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Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/174301397/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174301397/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, UV, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/174301393/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/174301393/medium.jpg" /></a><br />
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Arrowwood bush flowers have no distinct UV reflection pattern, but their stamen create a UV dark center important to attract UV seeing pollinators and this gets nicely visible here, also in simulated bee and butterfly vision.<br />
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More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-71157277658913489752023-12-26T01:22:00.003+01:002024-02-15T09:15:50.280+01:00Complete UV-IR Camera System for sale<p>I have here again a complete professionally full spectrum converted UV-VIS-NIR Olympus M5 MkII (with pixel shift technology 40/80MB) camera system for sale, including an UV-capable 80mm lens with neglectable focus shift, infinity to 0.6x focusing range (up to 1x with a short tube), Baader-U UV (320-380nm) transmission filter as well as a Schott (or equivalent) BG (for visual light) filter, magnetic filter holders plus Teflon white standard, which I would sell. Comes with instructions on how to do proper white balanced UV-photography. PM or email me in case of interest...<br /></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://1.bp.blogspot.com/-E6zHiMi6zXw/YWB_bFDazZI/AAAAAAAABVM/OFyH4r1CC9MTWn9Dauo_HgnTK2Cz8oXHwCLcBGAsYHQ/s1280/Olympus%2BM5%2BMK2_SET_wb_%2528c1%2529.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="960" data-original-width="1280" height="300" src="https://1.bp.blogspot.com/-E6zHiMi6zXw/YWB_bFDazZI/AAAAAAAABVM/OFyH4r1CC9MTWn9Dauo_HgnTK2Cz8oXHwCLcBGAsYHQ/w400-h300/Olympus%2BM5%2BMK2_SET_wb_%2528c1%2529.jpg" width="400" /> </a></div><div class="separator" style="clear: both; text-align: center;"> </div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://1.bp.blogspot.com/-UXJEHgT5gnw/YWCA--Ix5xI/AAAAAAAABVg/pZGzBB-6_jQLBD-hy3Bqd2YyEjhzFmZ_QCLcBGAsYHQ/s1280/PA070249_%2528c%2529.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="960" data-original-width="1280" height="300" src="https://1.bp.blogspot.com/-UXJEHgT5gnw/YWCA--Ix5xI/AAAAAAAABVg/pZGzBB-6_jQLBD-hy3Bqd2YyEjhzFmZ_QCLcBGAsYHQ/w400-h300/PA070249_%2528c%2529.jpg" width="400" /></a></div> <div class="separator" style="clear: both; text-align: center;"><a href="https://1.bp.blogspot.com/-ZLJDbAmCGVs/YWCAqlT181I/AAAAAAAABVY/i6uoXWY0p1wP0WEG1I0613GJsEOAGj00gCLcBGAsYHQ/s1280/PA070271_%2528c%2529.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="960" data-original-width="1280" height="300" src="https://1.bp.blogspot.com/-ZLJDbAmCGVs/YWCAqlT181I/AAAAAAAABVY/i6uoXWY0p1wP0WEG1I0613GJsEOAGj00gCLcBGAsYHQ/w400-h300/PA070271_%2528c%2529.jpg" width="400" /></a></div></div>Other filters or modifications on request. If interested please drop me an email.... <br /><p></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-79113081405660466002023-12-07T09:10:00.001+01:002023-12-07T09:10:54.437+01:00My multispectral works in High Energy Physics presentation<p><span class="postbody">Well, I never would have expected to see my work in a scientists presentation about most modern high energy particle theories in physics: </span>The German Physicist Dr Michael Weinert has recently been using (with my permission of course) some of my multispectral works in his presentation on high energy particle physics! Source: <a href="https://agenda.infn.it/event/21964/contributions/200542/attachments/107001/150943/Weinert_COMEX7_2023_publish.pdfl" target="_blank">"Weinert COMEX7 2023</a>".</p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5Q2KY7UP-o_qkBzM2wApPKYi6ny4VEXIPlnPUPAoWEuEPE19v0_Kd_1G0MMXAZz6hPmzA-0ytnXyAMze1ApeBISgKBlYNnaMUWA0ikAU4UvNkYENjaeOn4eJt4GRz68FBAHW-kbXwPKxQFdZg9Va6NfKXCSY17urFGphLxh1q5gRC3uKZHWDm3BM_c9s/s1945/Screenshot%202023-12-06%20at%2018-10-04%20PowerPoint-Pr%C3%A4sentation%20-%20Weinert_COMEX7_2023_publish.pdf.png" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1455" data-original-width="1945" height="239" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5Q2KY7UP-o_qkBzM2wApPKYi6ny4VEXIPlnPUPAoWEuEPE19v0_Kd_1G0MMXAZz6hPmzA-0ytnXyAMze1ApeBISgKBlYNnaMUWA0ikAU4UvNkYENjaeOn4eJt4GRz68FBAHW-kbXwPKxQFdZg9Va6NfKXCSY17urFGphLxh1q5gRC3uKZHWDm3BM_c9s/s320/Screenshot%202023-12-06%20at%2018-10-04%20PowerPoint-Pr%C3%A4sentation%20-%20Weinert_COMEX7_2023_publish.pdf.png" width="320" /></a></div><p></p><p>
Those shown multispectral images of mine where shot in my studio with my "work horse" UV-Nikkor f4.5/105mm quartz fluorite lens using the Baader UV/IR Cut filter and my proprietary XBV filters for simulated bee + butterfly vision. Light source in studio used was a Xenon flash modified for high UV output outside.<br />
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[click on image to see a larger one]<br />
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Visual image:<br />
<a href="http://www.pbase.com/kds315/image/144859376/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/144859376/medium.jpg" /></a><br />
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UV induced visible fluorescence using unfiltered commercial 365nm UV torch, no UV blocking:<br />
<a href="http://www.pbase.com/kds315/image/144859377/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/144859377/medium.jpg" /></a><br />
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UV induced visible fluorescence commercial 365nm UV torch, UV blocking:<br />
<a href="http://www.pbase.com/kds315/image/144859380/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/144859380/medium.jpg" /></a><br />
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UV induced visible fluorescence using Nichia 365nm UV torch, UV blocking:<br />
<a href="http://www.pbase.com/kds315/image/144859378/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/144859378/medium.jpg" /></a><br />
<br /></p><p>Stay tuned, more will follow on that fascinating subject...<br />
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More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comWeinheim, Germany49.544964 8.660270299999998821.234730163821155 -26.4959797 77.855197836178846 43.8165203tag:blogger.com,1999:blog-2794493541738110963.post-12556507275429516272023-06-23T12:13:00.004+02:002023-06-29T11:13:35.294+02:00Cobweb house-leek flower - Sempervivum arachnoideum in reflected ultraviolet photography and simulated bee and butterfly vision IIIToday in 2023 more shots of a <a href="https://en.wikipedia.org/wiki/Sempervivum_arachnoideum">Cobweb house-leek flower - Sempervivum arachnoideum</a> in reflected ultraviolet photography and simulated bee and butterfly vision. All shots were done at f11 in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as my XBV filters for simulated bee and butterfly vision. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was a modified Xenon flash.<br />
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[click on image to see a larger one]
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Human vision:<br />
<a href="http://www.pbase.com/kds315/image/173752299/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173752299/medium.jpg" /></a><br />
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Reflected UV:<br />
<a href="http://www.pbase.com/kds315/image/173752300/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173752300/medium.jpg" /></a><br />
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Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/173752301/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173752301/medium.jpg" /></a><br />
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Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/173752302/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173752302/medium.jpg" /></a><br />
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Quadriptych of human vision, UV, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/173752303/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173752303/medium.jpg" /></a><br />
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Sempervivum flowers have a distinct UV reflection, their petals have a dark center center line, the outside part is UV darker and all this gets nicely visible here, also in simulated bee and butterfly vision.<br />
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I have posted about this flower before <a href="https://photographyoftheinvisibleworld.blogspot.com/2018/06/cobweb-house-leek-flower-sempervivum.html" target="_blank">HERE </a><br />
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More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-2055398832815294542023-06-13T09:33:00.002+02:002023-06-13T09:33:18.562+02:00Cliff maids - Lewisia cotyledon in reflected ultraviolet photography, simulated bee and butterfly vision IX<p>Today in Spring 2023 more shots of an pink long blooming, perennial flower <a href="https://en.wikipedia.org/wiki/Lewisia">Cliff maids - Lewisia cotyledon</a> in reflected ultraviolet photography and simulated bee and butterfly vision. All shots were done at f11 in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as my XBV filters for simulated bee and butterfly vision. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was sunlight.<br />
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[click on image to see a larger one]
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Human vision:<br />
<a href="http://www.pbase.com/kds315/image/173723316/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173723316/medium.jpg" /></a><br />
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Reflected UV:<br />
<a href="http://www.pbase.com/kds315/image/173723317/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173723317/medium.jpg" /></a><br />
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Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/173723318/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173723318/medium.jpg" /></a><br />
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Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/173723319/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173723319/medium.jpg" /></a><br />
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Quadriptych of human vision, UV, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/173723320/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173723320/medium.jpg" /></a><br />
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Lewisia has a visible UV pattern, its petal tips are UV bright around 385nm, its center is UV dark, so this gets quite nicely visible, also in simulated butterfly and bee vision. </p><p>But there is also a highly UV reflective area visible, formed by those shiny petals which is especially quite visible in UV! This has recently been discovered by Prof. (em) Klaus Lunau of the University of Duesseldorf, Germany and he has published about that in NATURE 2020 here: <span style="font-family: inherit;"><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Lunau, K., Ren, ZX., Fan, XQ.<span> </span></span><i style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">et al.</i><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span> </span>Nectar mimicry: a new phenomenon.<span> </span></span><i style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Sci Rep</i><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span> </span></span><b style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: bolder; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">10,<span> </span></b><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">7039 (2020).</span></span> <a href="https://www.nature.com/articles/s41598-020-63997-3" target="_blank">https://www.nature.com/articles/s41598-020-63997-3</a><br />
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I have written more about that flower <a href="https://photographyoftheinvisibleworld.blogspot.com/search/label/Lewisia%20cotyledon" target="_blank">HERE </a><br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-1651105878530667802023-06-10T14:59:00.005+02:002023-06-10T19:21:48.432+02:00 Tomato - Solanum lycopersicum in reflected ultraviolet photography and simulated bee and butterfly vision<p>Today in June 2023 shots of a flower, hardly ever seen, but we have its fruit on our table often: <a href="https://en.wikipedia.org/wiki/Tomato" target="_blank">Tomato - Solanum lycopersicum</a> in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as in simulated bee and butterfly vision using my propriatary XBV filters. All shots were done at f8. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was sunlight (shade) as well as a 365nm UV-LED for another UV shot.. <br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/173715771/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173715771/medium.jpg" /></a><br />
<br />
Reflected ultraviolet (UV):<br />
<a href="http://www.pbase.com/kds315/image/173715772/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173715772/medium.jpg" /></a> </p><p>Reflected ultraviolet (UV-LED 365nm):<br />
<a href="http://www.pbase.com/kds315/image/173715773/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173715773/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/173715774/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173715774/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/173715775/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173715775/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, ultraviolet, simulated bee and butterfly vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/173715776/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173715776/medium.jpg" /></a><br />
<br />
This flower shows a very prominent and strong UV reflection around 365nm on its petals as well as dark lines leading to the UV-dark center, and all this gets nicely visible, also in simulated bee and butterfly vision. <br /> <br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-47732772635528355092023-04-19T13:52:00.007+02:002023-04-19T13:52:42.924+02:00My work for France TV "C'est Toujours Pas Sorcier : Les superpouvoirs des abeilles"France TV will be using my multispectral works in their programme <a href="https://www.france.tv/france-4/c-est-toujours-pas-sorcier/c-est-toujours-pas-sorcier-saison-1/1139117-les-superpouvoirs-des-abeilles.html" target="_blank">"C'est Toujours Pas Sorcier : Les superpouvoirs des abeilles</a>".<br />
<br />
Those multispectral images of mine where shot in my studio and outside with my "work horse" UV-Nikkor f4.5/105mm quartz fluorite lens using the Baader UV/IR Cut filter and my proprietary XBV filters for simulated bee vision. Light source in studio used was a Xenon flash modified for high UV output and sunlight outside.<br />
<br />
[click on image to see a larger one]
<br />
<br />
Mexican Zinnia Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/156299879/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/156299879/medium.jpg" /></a><br />
<br />
Mexican Zinnia simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/156299882/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/156299882/medium.jpg" /></a><br />
<br />
Gazania Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/170723986/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/170723986/medium.jpg" /></a><br />
<br />
Gazania simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/170723988/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/170723988/medium.jpg" /></a><br />
<br />
All these flowers have very specific UV patterns; the outer part of their petals are UV reflective around 360nm, but their inner parts show a UV-dark area which gets nicely visible.<p>
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-35145349115506062732023-04-19T13:33:00.008+02:002023-04-19T13:38:39.786+02:00My work on display at the Neanderthal Museum Mettmann GermanyThe <a href="https://neanderthal.de/en/home.html" target="_blank">Neanderthal Museum, Mettmann Germany</a> , where <a href="https://en.wikipedia.org/wiki/Neanderthal" target="_blank">Homo neanderthalensis</a> was first found who lived there about 40.000 years ago, will be using some of my multispectral images for their forthcoming exhibt "Honey Bees in the Forest" May 20th 2023 - November 5th, 2023.<br />
<br />
Those multispectral images of mine where shot in my studio and outside with my "work horse" UV-Nikkor f4.5/105mm quartz fluorite lens using the Baader UV/IR Cut filter and my proprietary XBV filters for simulated bee vision. Light source in studio used was a Xenon flash modified for high UV output and sunlight outside.<br />
<br />
[click on image to see a larger one]
<br />
<br />
Rudbeckia missouriensis Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/115828174/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/115828174/medium.jpg" /></a><br />
<br />
Rudbeckia missouriensis simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/115828182/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/115828182/medium.jpg" /></a><br />
<br />
Mexican Zinnia Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/156299879/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/156299879/medium.jpg" /></a><br />
<br />
Mexican Zinnia simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/156299882/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/156299882/medium.jpg" /></a><br />
<br />
Gazania Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/163403849/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/163403849/medium.jpg" /></a><br />
<br />
Gazania simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/163403851/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/163403851/medium.jpg" /></a><br />
<br />
All these flowers have very specific UV patterns; the outer part of their petals are UV reflective around 360nm, but their inner parts show a UV-dark area which gets nicely visible.<p>
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-75058770148505214942023-03-13T15:56:00.006+01:002023-03-13T16:03:49.933+01:00Derek Bembry - Galeria Fotografia Site<p>Derek, a good friend of mine since many years and photographer colleague has finally decided to show his excellent photografic skills on his own site <a href="https://galeriafotografia.com" target="_blank">https://galeriafotografia.com</a> as well as some videos including his drone work here on Youtube: <a href="https://www.youtube.com/@galeriafotografia3140" target="_blank">https://www.youtube.com/@galeriafotografia3140</a></p><p></p><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen="" class="BLOG_video_class" height="266" src="https://www.youtube.com/embed/Ppg7RdEIEg8" width="320" youtube-src-id="Ppg7RdEIEg8"></iframe></div> <p></p><p>Make sure you'll give it a good look, certainly worth it!</p><p>Wishing you all the best with your site Derek!<br /></p><p> </p><p></p><br /> <br /><p></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-84164832154725132322023-02-07T10:18:00.008+01:002023-05-16T11:28:52.340+02:00My Work for NOVA PBS: Your Brain - Perception Deception<a href="https://www.pbs.org/wgbh/nova/" target="_blank">NOVA PBS</a> will use some of my multispectral images in a forthcoming TV show, airing on May 18, 2023 3am in the US: Working title "Your Brain: Perception Deception”!
<br />
<br />
The following multispectral images of mine they used where shot in my studio and outside with my "work horse" UV-Nikkor f4.5/105mm quartz fluorite lens using the Baader UV/IR Cut filter and my proprietary XBV filters for simulated bee vision. Light source used was a Xenon flash modified for high UV output and sunlight outside.<br />
<br />
[click on image to see a larger one]
<br />
<br />
Bidens Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/171563973/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171563973/medium.jpg" /></a><br />
<br />
Bidens simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/171563975/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171563975/medium.jpg" /></a><br />
<br />
Gazania Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/163146277/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/163146277/medium.jpg" /></a><br />
<br />
Gazania simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/163146280/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/163146280/medium.jpg" /></a><br />
<br />
Rudbeckia Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/165960351/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/165960351/medium.jpg" /></a><br />
<br />
Rudbeckia simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/165960353/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/165960353/medium.jpg" /></a><br />
<br />
All these flowers have very specific UV patterns; the outer part of their petals are UV reflective around 360nm, but their inner parts show a UV-dark area which gets nicely visible.<p>
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-50193290773982028302023-01-15T11:45:00.000+01:002023-01-15T11:45:01.853+01:00Moth orchid - Phalaenopsis in reflected ultraviolet photography and simulated butterfly and bee vision using a UV-Nikkor 105mm lens IVToday in January 2023 some studio shots of a well known decorative flower, a white <a href="https://en.wikipedia.org/wiki/Phalaenopsis">Moth orchid - Phalaenopsis</a> in reflected ultraviolet photography using my "work horse" UV filter as well as simulated bee and butterfly vision shot with my "work horse" UV-Nikkor f4.5/105mm quartz fluorite lens. UV filter used was the Baader-U filter, my "work horse" filter for reflected UV as well as my proprietary XBV filters for simulated bee and butterfly vision. All shots were done at f11. Light source used was a Xenon flash modified for high UV output. <br />
<br />
[click on image to see a larger one]
<br />
<br />
Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/173309212/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309212/medium.jpg" /></a><br />
<br />
Reflected UV (Baader-U):<br />
<a href="http://www.pbase.com/kds315/image/173309213/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309213/medium.jpg" /></a><br />
<br />
Simulated Butterfly Vision:<br />
<a href="http://www.pbase.com/kds315/image/173309214/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309214/medium.jpg" /></a><br />
<br />
Simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/173309215/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309215/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, UV, simulated bee and butterfly vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/173309216/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309216/medium.jpg" /></a><br />
<br />
This orchid has not a very specific UV pattern, its petals are UV reflective around 380nm, but its middle tip (column and gymnostemium) have a rather UV bright spot reflecting around 370nm surrounded by an UV-dark area which gets nicely visible.<p>The UV-Nikkor 105mm lens is known to be a very well working one for multispectral imaging w/o focus shift, with a nice 1:2 close up focusing capability from infinity up to 48cm (0.48 meter). Sharpness is very good and so is its contrast, even from f4.5 onwards. With a Nikon PN-11 extension tube of 52.5mm length it reaches 1:1 (1x) magnification. It has the standard Nikon-F mount, and it covers full format sensors (41mm image diameter). It is defined to reach down to 190nm and up to 1300nm in near infrared; my measured <a href="https://photographyoftheinvisibleworld.blogspot.com/2021/01/lens-transmissions-of-specialized.html" target="_blank">transmission spectra of it may be seen here</a>.<br />
<br />
I have written more about this orchid <a href="https://photographyoftheinvisibleworld.blogspot.com/search?q=phalaenopsis" target="_blank">HERE</a>. <br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-18976029088274959502023-01-15T11:01:00.004+01:002023-01-15T11:44:45.859+01:00Moth orchid - Phalaenopsis in reflected ultraviolet photography and simulated butterfly and bee vision using a UV-Nikkor 105mm lens IIIToday in January 2023 some studio shots of a well known decorative flower, a yellow-orange <a href="https://en.wikipedia.org/wiki/Phalaenopsis">Moth orchid - Phalaenopsis</a> in reflected ultraviolet photography using my "work horse" UV filter as well as simulated bee and butterfly vision shot with my "work horse" UV-Nikkor f4.5/105mm quartz fluorite lens. UV filter used was the Baader-U filter, my "work horse" filter for reflected UV as well as my proprietary XBV filters for simulated bee and butterfly vision. All shots were done at f11. Light source used was a Xenon flash modified for high UV output. <br />
<br />
[click on image to see a larger one]
<br />
<br />
Human Vision (VIS):<br />
<a href="http://www.pbase.com/kds315/image/173309148/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309148/medium.jpg" /></a><br />
<br />
Reflected UV (Baader-U):<br />
<a href="http://www.pbase.com/kds315/image/173309149/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309149/medium.jpg" /></a><br />
<br />
Simulated Butterfly Vision:<br />
<a href="http://www.pbase.com/kds315/image/173309150/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309150/medium.jpg" /></a><br />
<br />
Simulated Bee Vision:<br />
<a href="http://www.pbase.com/kds315/image/173309151/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309151/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, UV, simulated bee and butterfly vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/173309152/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173309152/medium.jpg" /></a><br />
<br />
This orchid has not a very specific UV pattern, its petals are UV reflective around 380nm, but its middle tip (column and gymnostemium) have a rather UV bright spot reflecting around 370nm surrounded by an UV-dark area which gets nicely visible.<p>The UV-Nikkor 105mm lens is known to be a very well working one for
multispectral imaging w/o focus shift, with a nice 1:2 close up focusing
capability from infinity up to 48cm (0.48 meter). Sharpness is very
good and so is its contrast, even from f4.5 onwards. With a Nikon PN-11
extension tube of 52.5mm length it reaches 1:1 (1x) magnification. It
has the standard Nikon-F mount, and it covers full format sensors (41mm
image diameter). It is defined to reach down to 190nm and up to 1300nm in near infrared; my measured <a href="https://photographyoftheinvisibleworld.blogspot.com/2021/01/lens-transmissions-of-specialized.html" target="_blank">transmission spectra of it may be seen here</a>.<br />
<br />
I have written more about this orchid <a href="https://photographyoftheinvisibleworld.blogspot.com/search?q=phalaenopsis" target="_blank">HERE</a>. <br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-70912664013470420162023-01-11T15:02:00.006+01:002023-01-12T11:29:18.117+01:00Winter Jasmine - Jasminum Nudiflorum in reflected ultraviolet photography and simulated bee and butterfly vision VIToday in 2023 shots of a beautiful winter flower, a <a href="https://en.wikipedia.org/wiki/Jasminum_nudiflorum" target="_blank"> Winter Jasmine - Jasminum nudiflorum </a> in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as in simulated bee and butterfly vision using my propriatary XBV filters. All shots were done at f11. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was a modified Xenon flash. <br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/173301124/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173301124/medium.jpg" /></a><br />
<br />
Reflected ultraviolet (UV):<br />
<a href="http://www.pbase.com/kds315/image/173301125/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173301125/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/173301126/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173301126/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/173301127/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173301127/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, ultraviolet, simulated bee and butterfly vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/173301128/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/173301128/medium.jpg" /></a><br />
<br />
This flower shows a very prominent and strong UV reflection around 365nm on its petals, but its center is UV-dark, and all this gets nicely visible, also in simulated bee and butterfly vision. <br /> <br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
<br />
I have previously written about this flower <a href="https://photographyoftheinvisibleworld.blogspot.de/search?q=jasmine">HERE</a><br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-27701950246052391032022-07-22T14:26:00.001+02:002022-07-22T14:26:09.078+02:00Common Purslane - Portulaca oleracea in reflected ultraviolet photography and simulated bee and butterfly visionToday in 2022 shots of a beautiful flower, now offered as an ornamental + edible plant, a <a href="https://en.wikipedia.org/wiki/Portulaca_oleracea">Common Purslane - Portulaca oleracea</a> in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as in simulated bee and butterfly vision using my XBV filters. All shots were done at f11. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was a modified Xenon flash. <br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/172798560/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172798560/medium.jpg" /></a><br />
<br />
Reflected ultraviolet (UV):<br />
<a href="http://www.pbase.com/kds315/image/172798561/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172798561/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/172798562/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172798562/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/172798563/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172798563/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, ultraviolet, simulated bee and butterfly vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/172798564/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172798564/medium.jpg" /></a><br />
<br />
This flower shows a very prominent and strong UV reflection around 365nm, and all this gets nicely visible, also in simulated bee and butterfly vision. <br /> <br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-24918431168428015062022-06-26T10:09:00.001+02:002022-07-22T14:23:42.819+02:00Black-eyed Susan - Rudbeckia hirta in reflected ultraviolet photography and simulated bee and butterfly vision XVIIToday in 2022 shots of a beautiful flower, originating from the USA Prairie, a <a href="http://en.wikipedia.org/wiki/Rudbeckia_hirta">Black-eyed Susan - Rudbeckia hirta </a> in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as in simulated bee and butterfly vision using my XBV filters. All shots were done at f11. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was a modified Xenon flash. <br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/172716042/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172716042/medium.jpg" /></a><br />
<br />
Reflected ultraviolet (UV):<br />
<a href="http://www.pbase.com/kds315/image/172716043/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172716043/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/172716044/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172716044/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/172716045/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172716045/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, ultraviolet, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/172716046/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172716046/medium.jpg" /></a><br />
<br />
This flower shows a very prominent UV bullseye pattern, as its petal tips are very UV bright (around 365nm) and its center is very UV dark, and all this gets nicely visible, also in simulated bee and butterfly vision. <br />
<br />
I have previously written about that flower <a href="https://photographyoftheinvisibleworld.blogspot.de/2017/08/black-eyed-susan-rudbeckia-hirta-in.html">HERE</a><br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-89540214728254476952022-06-13T06:56:00.005+02:002022-06-13T07:03:32.633+02:00"Wandelmut" Exhibit at Museum Sinclair House, Bad Homburg<p>There is currently an exhibit in Germany at the <a href="https://kunst-und-natur.de/museum-sinclair-haus/startseite" target="_blank">Museum Sinclair-House, Bad Homburg</a> within the "Wandelmut" (willingness to change) series, which has some of my multispectral works on display. Visible here is a Rudbeckia hirta flower in human vision, simulated bee and butterfly vision, showing the "landing platform" only bees and butterflies can see, as they have the ability to see ultraviolet light (300-400nm), which we humans cannot see.<br /><br /></p><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiE1AAfl0ETElFJFAAidHZvsQ78SbO1IoEop5y6PKtoUTUrFAeuElzgMQnr0isMU5YCg0_GCBqj6em6r3AM3beoqJXfd8bNqPIaftaou1WDad2z9fCPgz5PK2JxR52iTYR0m8IBnb5CJnSxzLjoW7FgwCjCjyWnvZz75KlZBf-uE5MbTl7XvTEBY5uy/s1024/Ausstellung%20Sinclair%20Haus%202022_(c).jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1024" data-original-width="768" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiE1AAfl0ETElFJFAAidHZvsQ78SbO1IoEop5y6PKtoUTUrFAeuElzgMQnr0isMU5YCg0_GCBqj6em6r3AM3beoqJXfd8bNqPIaftaou1WDad2z9fCPgz5PK2JxR52iTYR0m8IBnb5CJnSxzLjoW7FgwCjCjyWnvZz75KlZBf-uE5MbTl7XvTEBY5uy/w300-h400/Ausstellung%20Sinclair%20Haus%202022_(c).jpg" width="300" /></a></div><br /><p>(Human vision vs. simulated Bee + Butterfly vision; left to right) </p><p>I have written about that Rudbeckia hirta flower <a href="https://photographyoftheinvisibleworld.blogspot.com/search?q=rudbeckia+hirta" target="_blank">HERE </a>before,<br /></p><p>Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p><p><br /></p><p><br /></p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://1.bp.blogspot.com/-E6zHiMi6zXw/YWB_bFDazZI/AAAAAAAABVM/OFyH4r1CC9MTWn9Dauo_HgnTK2Cz8oXHwCLcBGAsYHQ/s1280/Olympus%2BM5%2BMK2_SET_wb_%2528c1%2529.jpg" style="margin-left: 1em; margin-right: 1em;"> </a></div><div class="separator" style="clear: both; text-align: center;"> </div><br /><p></p>
Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-62225919801803218052022-04-13T12:08:00.003+02:002022-04-13T12:11:46.240+02:00Nectar Mimicry at Lewisia cotylodon made visible using multispectral photography II<p>Today more about Nectar Mimicry. This Spring 2022 I got a bright white, long blooming, perennial flower <a href="https://en.wikipedia.org/wiki/Lewisia">Cliff maids - Lewisia cotyledon</a> and took photos in reflected ultraviolet photography and simulated bee and butterfly vision. And it was in 2021 when I had discovered a highly reflective ring in visible and especially reflected UV photographyI I then talked to Prof. Klaus Lunau, whom I know since years, and he revealed that he has just recently discovered and published about this Nectar Mimicry!<br /></p><p>This clearly visible UV reflecting ring, formed by those shiny petals which is
especially visible in reflected UV had been discovered by Prof.
(em) Klaus Lunau of the University of Duesseldorf, Germany and he had
published about that in NATURE 2020 here: <span style="font-family: inherit;"><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Lunau, K., Ren, ZX., Fan, XQ.<span> </span></span><i style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">et al.</i><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span> </span>Nectar mimicry: a new phenomenon.<span> </span></span><i style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Sci Rep</i><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span> </span></span><b style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: bolder; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">10,<span> </span></b><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">7039 (2020).</span></span> <a href="https://www.nature.com/articles/s41598-020-63997-3" target="_blank">https://www.nature.com/articles/s41598-020-63997-3</a> <br /></p><p>All these shots were done at f11 in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as my XBV filters for simulated bee and butterfly vision. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was Xenon light from my UV enhanced studio flash.<br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/172510113/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172510113/medium.jpg" /></a><br />
<br />
Reflected UV:<br />
<a href="http://www.pbase.com/kds315/image/172510114/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172510114/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/172510115/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172510115/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/172510116/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172510116/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, UV, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/172510117/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/172510117/medium.jpg" /></a><br />
<br />
Lewisia has a visible UV pattern, its petal tips are UV bright around 385nm, its center is UV dark, so this and this highly reflecting ring structure gets quite nicely visible, also in simulated butterfly and bee vision. <br />
<br />
I have written more about that flower <a href="https://photographyoftheinvisibleworld.blogspot.com/search/label/Lewisia%20cotyledon" target="_blank">HERE </a><br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-46358365824143097742021-11-06T14:04:00.003+01:002021-11-11T10:55:28.172+01:00Russian Catadioptric ZIKAR-1A f1.2/100mm anastigmat lens for space useToday about a lens I have forgotten to write about it here: the Russian catadioptric ZIKAR-1A f1.2/100mm anastigmat lens I found in 2018, which <span class="postbody">had been developed for </span><span class="postbody">the Russian space defence program, to detect
fired rockets aiming at the (then) USSR from about 45.000 km away,
mounted at some special (unknown) camera system from a satellite in orbit around earth. It
is a catadioptric system with two Beryllium mirrors, very fast f1.2/100mm and
some fluorite auxiliary lenses. Several such systems were successfully
launched into space and were in operation several years long.
</span><br />
<div class="separator" style="clear: both; text-align: center;">
<br /></div><p>
<span class="postbody"></span></p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://1.bp.blogspot.com/-Mm_ZULFWxew/YYZ3FoQ3XLI/AAAAAAAABV8/aml-jXxNRJ0ZmMbe31FyRgka1PZRmZ4hACLcBGAsYHQ/s1024/455_Zikar1_collage_1p.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="1024" data-original-width="1015" height="400" src="https://1.bp.blogspot.com/-Mm_ZULFWxew/YYZ3FoQ3XLI/AAAAAAAABV8/aml-jXxNRJ0ZmMbe31FyRgka1PZRmZ4hACLcBGAsYHQ/w396-h400/455_Zikar1_collage_1p.jpg" width="396" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">(source: net)<br /></td></tr></tbody></table><div class="separator" style="clear: both; text-align: center;"><span class="postbody"></span></div><p></p><p><span class="postbody">I found a russian document about it <a href="http://www.kik-sssr.ru/Main_Oko.htm" target="_blank">HERE</a> </span><span class="postbody"><span class="postbody">(Google translated)
:<br />
On September 19, 1972, the first space-520 experimental SPACECRAFT was
launched from the Plesetsk cosmodrome. On Board in addition to the
control equipment and reset information were installed two types of BAO:
television (MBT-A) and heat direction finding (105-A). The TV-type
equipment was a two-chamber receiver with IR-vidicons Radian with a
lens”<span style="font-weight: bold;"><b>Zikar</b>-1A</span>".
One camera had a relatively wide angle of view (SPK) and the other
narrow band (UPK). The field of vision of the CPC was inside the field
of vision of the SPC. The TP-type equipment had one line of fifty
sensitive elements scanning the field with the help of a swinging
mirror. The total field of view was no more than 10 square
degrees. (end)</span></span><br />
<br />
From that and more data I found that it was designed for <span class="postbody">SWIR, 1.5 - 2.5 microns, </span>I assumed that this lens would only useful for IR and possible visible light, but having it on my spectrometric UV-VIS-IR system surprisingly revealed that it could be used in UV down to 320nm!<br />
</p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://1.bp.blogspot.com/-GtTY_SkVFUI/YYZ5QmPHVYI/AAAAAAAABWE/tACZOZyJcwI2SePMco9_CivssEU7b-nYQCLcBGAsYHQ/s644/455_ZIKAR1_trans_1_1a.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="324" data-original-width="644" height="201" src="https://1.bp.blogspot.com/-GtTY_SkVFUI/YYZ5QmPHVYI/AAAAAAAABWE/tACZOZyJcwI2SePMco9_CivssEU7b-nYQCLcBGAsYHQ/w400-h201/455_ZIKAR1_trans_1_1a.jpg" width="400" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">(own spectrometric measurement)<br /></td></tr></tbody></table><p>
<span class="postbody"></span><br />
<span class="postbody">Further research showed that his lens </span><span class="postbody">was a part of TB (телевизионная аппаратура)
unit, possibly used as an auxiliary lens to help aiming a much larger main lens unit. That main TП (теплопеленгатор) unit was a massive lens with a main mirror having a diameter of one meter (100 centimeters or 1.000 millimeters) [</span><span class="postbody">early versions УС-К had a diameter of 50cm; later versions УС-КМО had 100cm (1.000 millimeters)].</span></p><p><span class="postbody">That impressive main unit </span><span class="postbody"><span class="postbody">УС-К/</span></span><span class="postbody"><span class="postbody"><span class="postbody">УС-КМО</span></span> looked like this:</span></p><p><span class="postbody"></span></p><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://1.bp.blogspot.com/-avHgqLWpIzE/YYZ8FIR1svI/AAAAAAAABWM/ee7F0KASOIMq-_Trbor00pFEWN_gQX8lgCLcBGAsYHQ/s455/455_ZIKAR_Main%2BUnit.jpg" style="margin-left: auto; margin-right: auto;"><img border="0" data-original-height="316" data-original-width="455" height="278" src="https://1.bp.blogspot.com/-avHgqLWpIzE/YYZ8FIR1svI/AAAAAAAABWM/ee7F0KASOIMq-_Trbor00pFEWN_gQX8lgCLcBGAsYHQ/w400-h278/455_ZIKAR_Main%2BUnit.jpg" width="400" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">(source: net)<br /></td></tr></tbody></table><br /><span class="postbody"><span class="postbody">1 - a mirror made of vitrified beryllium with a diameter of 60 cm,
the surface shape being a convex hyperbola of the second order.
<br />
2 - a mirror made of vitrified beryllium with a diameter of 100 cm, a surface shape being an aspheric of the 12th order.
<br />
3 - correcting lenses made of fluorides of calcium and lithium.</span> </span><br />
<br />
<span class="postbody">That ZIKAR-1A lens will be given a suitable adaption to fit my digital multispectral cameras and I will certainly take multispectral photos with it as soon as possible and report about here later on. That will not be easy, as it has a very short back focal length.</span><br />
<br />
<span class="postbody">Data of this lens, as well as its normal (= non catadioptric) quartz fluorite sister lenses </span><span class="postbody"><span class="postbody">with
shorter focal length </span>may be found on my macrolenses database site <a href="http://www.macrolenses.de/ml_detail_sl.php?ObjektiveNr=323" target="_blank">HERE</a></span><br />
<span class="postbody"><br /><i></i></span>
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<span class="postbody"><i> </i> <br />
</span><span class="hidden-xs gensmall"><br /></span><p></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-78138792698274495662021-10-08T19:17:00.007+02:002023-06-12T10:13:13.816+02:00UV-VIS-NIR Camera + Lens + Filters system for Sale<p>I have here a complete professionally full spectrum converted UV-VIS-NIR Olympus M5 MkII (with pixel shift technology 40/80MB) camera system for sale, including 85mm lens with neglectable focus shift, infinity to 0.6x focusing range (up to 1x with a short tube), Baader-U UV (320-380nm) transmission filter as well as a Schott BG (for visual light) filter, magnetic filter holders plus Teflon white standard, which I would sell, as that client of mine just dropped out due to a budget issue.</p><p></p><div class="separator" style="clear: both; text-align: center;"><a href="https://1.bp.blogspot.com/-E6zHiMi6zXw/YWB_bFDazZI/AAAAAAAABVM/OFyH4r1CC9MTWn9Dauo_HgnTK2Cz8oXHwCLcBGAsYHQ/s1280/Olympus%2BM5%2BMK2_SET_wb_%2528c1%2529.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="960" data-original-width="1280" height="300" src="https://1.bp.blogspot.com/-E6zHiMi6zXw/YWB_bFDazZI/AAAAAAAABVM/OFyH4r1CC9MTWn9Dauo_HgnTK2Cz8oXHwCLcBGAsYHQ/w400-h300/Olympus%2BM5%2BMK2_SET_wb_%2528c1%2529.jpg" width="400" /> </a></div><div class="separator" style="clear: both; text-align: center;"> </div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://1.bp.blogspot.com/-UXJEHgT5gnw/YWCA--Ix5xI/AAAAAAAABVg/pZGzBB-6_jQLBD-hy3Bqd2YyEjhzFmZ_QCLcBGAsYHQ/s1280/PA070249_%2528c%2529.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="960" data-original-width="1280" height="300" src="https://1.bp.blogspot.com/-UXJEHgT5gnw/YWCA--Ix5xI/AAAAAAAABVg/pZGzBB-6_jQLBD-hy3Bqd2YyEjhzFmZ_QCLcBGAsYHQ/w400-h300/PA070249_%2528c%2529.jpg" width="400" /></a></div> <div class="separator" style="clear: both; text-align: center;"><a href="https://1.bp.blogspot.com/-ZLJDbAmCGVs/YWCAqlT181I/AAAAAAAABVY/i6uoXWY0p1wP0WEG1I0613GJsEOAGj00gCLcBGAsYHQ/s1280/PA070271_%2528c%2529.jpg" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="960" data-original-width="1280" height="300" src="https://1.bp.blogspot.com/-ZLJDbAmCGVs/YWCAqlT181I/AAAAAAAABVY/i6uoXWY0p1wP0WEG1I0613GJsEOAGj00gCLcBGAsYHQ/w400-h300/PA070271_%2528c%2529.jpg" width="400" /></a></div></div>Other filters or modifications on request. If interested please drop me an email.... <br /><p></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com0tag:blogger.com,1999:blog-2794493541738110963.post-90917032692173511852021-08-21T12:37:00.001+02:002021-08-21T12:37:32.200+02:00Nectar Mimicry at Lewisia cotylodon made visible using multispectral photography I<p>Today about something new: Nectar Mimicry! This Summer 2021 I took shots of an orange long blooming, perennial flower <a href="https://en.wikipedia.org/wiki/Lewisia">Cliff maids - Lewisia cotyledon</a> in reflected ultraviolet photography and simulated bee and butterfly vision. And this was when I detected a highly refective ring in visible and especially reflected UV photography. Talking to Prof. Klaus Lunau, whom I know since years, revealed that he has just recently discovered and published about this!<br /></p><p>This clearly visible reflecting ring, formed by those shiny petals which is
also visible in UV has recently been discovered by Prof.
(em) Klaus Lunau of the University of Duesseldorf, Germany and he has
published about that in NATURE 2020 here: <span style="font-family: inherit;"><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Lunau, K., Ren, ZX., Fan, XQ.<span> </span></span><i style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">et al.</i><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span> </span>Nectar mimicry: a new phenomenon.<span> </span></span><i style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Sci Rep</i><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span> </span></span><b style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: bolder; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">10,<span> </span></b><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">7039 (2020).</span></span> <a href="https://www.nature.com/articles/s41598-020-63997-3" target="_blank">https://www.nature.com/articles/s41598-020-63997-3</a> <br /></p><p>All these shots were done at f11 in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as my XBV filters for simulated bee and butterfly vision. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was Xenon light from my UV enhanced studio flash.<br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/171895690/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895690/medium.jpg" /></a><br />
<br />
Reflected UV:<br />
<a href="http://www.pbase.com/kds315/image/171895691/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895691/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/171895692/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895692/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/171895693/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895693/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, UV, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/171895694/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895694/medium.jpg" /></a><br />
<br />
Lewisia has a visible UV pattern, its petal tips are UV bright around 385nm, its center is UV dark, so this and this highl yreflecting ring structure gets quite nicely visible, also in simulated butterfly and bee vision. <br />
<br />
I have written more about that flower <a href="https://photographyoftheinvisibleworld.blogspot.com/search/label/Lewisia%20cotyledon" target="_blank">HERE </a><br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-18324468490688771932021-08-20T15:01:00.004+02:002021-08-21T12:29:09.690+02:00Cliff maids - Lewisia cotyledon in reflected ultraviolet photography, simulated bee and butterfly vision VIII<p>Today in Summer of 2021 more shots of an orange long blooming (2nd bloom), perennial flower <a href="https://en.wikipedia.org/wiki/Lewisia">Cliff maids - Lewisia cotyledon</a> in reflected ultraviolet photography and simulated bee and butterfly vision. All shots were done at f11 in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as my XBV filters for simulated bee and butterfly vision. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was Xenon light from my UV enhanced studio flash.<br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/171895690/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895690/medium.jpg" /></a><br />
<br />
Reflected UV:<br />
<a href="http://www.pbase.com/kds315/image/171895691/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895691/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/171895692/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895692/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/171895693/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895693/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, UV, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/171895694/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171895694/medium.jpg" /></a><br />
<br />
Lewisia has a visible UV pattern, its petal tips are UV bright around 385nm, its center is UV dark, so this gets quite nicely visible, also in simulated butterfly and bee vision. </p><p>But there is also a reflecting ring visible, formed by those shiny petals which is especially visible in UV! This has recently been discovered by Prof. (em) Klaus Lunau of the University of Duesseldorf, Germany and he has published about that in NATURE 2020 here: <span style="font-family: inherit;"><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline !important; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Lunau, K., Ren, ZX., Fan, XQ.<span> </span></span><i style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">et al.</i><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline !important; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span> </span>Nectar mimicry: a new phenomenon.<span> </span></span><i style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">Sci Rep</i><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline !important; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;"><span> </span></span><b style="-webkit-text-stroke-width: 0px; background-color: white; box-sizing: inherit; color: #222222; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: bolder; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">10,<span> </span></b><span style="-webkit-text-stroke-width: 0px; background-color: white; color: #222222; display: inline !important; float: none; font-size: 16px; font-style: normal; font-variant-caps: normal; font-variant-ligatures: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-decoration-color: initial; text-decoration-style: initial; text-decoration-thickness: initial; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;">7039 (2020).</span></span> <a href="https://www.nature.com/articles/s41598-020-63997-3" target="_blank">https://www.nature.com/articles/s41598-020-63997-3</a><br />
<br />
I have written more about that flower <a href="https://photographyoftheinvisibleworld.blogspot.com/search/label/Lewisia%20cotyledon" target="_blank">HERE </a><br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a></p>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-17122395377852049012021-07-31T12:25:00.002+02:002021-07-31T12:25:18.536+02:00Creeping Zinnia - Sanvitalia procumbens in reflected ultraviolet photography, simulated bee and butterfly vision VToday in Summer 2021 shots of a long blooming flower <a href="http://en.wikipedia.org/wiki/Sanvitalia_procumbens">Creeping Zinnia - Sanvitalia procumbens</a> in reflected ultraviolet photography and simulated bee and butterfly vision. All shots were done at f11 in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as my XBV filters for simulated bee and butterfly vision. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was a studio flash, modified for higher UV output.<br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/171837642/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171837642/medium.jpg" /></a><br />
<br />
Reflected UV:<br />
<a href="http://www.pbase.com/kds315/image/171837643/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171837643/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/171837644/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171837644/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/171837645/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171837645/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, UV, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/171837646/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171837646/medium.jpg" /></a><br />
<br />
Sanvitalia has a strong visible UV pattern, its petal tips are UV bright around 365nm and its center is quite UV dark, and this gets quite nicely visible, also in simulated butterfly and bee vision.<br />
<br />
I have written about Sanvitalia previously <a href="http://photographyoftheinvisibleworld.blogspot.de/2014/07/creeping-zinnia-sanvitalia-procumbens.html">HERE</a><br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-54370105418374943642021-07-30T18:25:00.006+02:002021-07-30T18:26:52.739+02:00Cliff maids - Lewisia cotyledon in reflected ultraviolet photography, simulated bee and butterfly vision VIIToday in Summer of 2021 more shots of a pink long blooming (2nd bloom), perennial flower <a href="https://en.wikipedia.org/wiki/Lewisia">Cliff maids - Lewisia cotyledon</a> in reflected ultraviolet photography and simulated bee and butterfly vision. All shots were done at f11 in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as my XBV filters for simulated bee and butterfly vision. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was Xenon light from my UV enhanced studio flash.<br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/171835466/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171835466/medium.jpg" /></a><br />
<br />
Reflected UV:<br />
<a href="http://www.pbase.com/kds315/image/171835467/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171835467/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/171835468/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171835468/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/171835469/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171835469/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, UV, simulated butterfly and bee vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/171835471/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171835471/medium.jpg" /></a><br />
<br />
Lewisia has a visible UV pattern, its petal tips are UV bright around 385nm, its center is UV dark, so this gets quite nicely visible, also in simulated butterfly and bee vision.<br />
<br />
I have written more about that flower <a href="https://photographyoftheinvisibleworld.blogspot.com/search/label/Lewisia%20cotyledon" target="_blank">HERE </a><br />
<br />
Stay tuned, more will follow on that fascinating subject...<br />
<br />
More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.comtag:blogger.com,1999:blog-2794493541738110963.post-73599523025256514512021-07-25T15:16:00.003+02:002021-07-25T15:16:38.691+02:00Black-eyed Susan - Rudbeckia hirta in reflected ultraviolet photography and simulated bee and butterfly vision XVIToday in 2021 shots of a human bread beautiful flower, originating from the USA Prairie, a <a href="http://en.wikipedia.org/wiki/Rudbeckia_hirta">Black-eyed Susan - Rudbeckia hirta </a> in reflected ultraviolet photography using my "work horse" UV filter, the Baader-U filter, as well as in simulated bee and butterfly vision using my XBV filters. All shots were done at f8. Lens was a UV-Nikkor 105mm quartz fluorite lens. Light source was my UV enhanced studio flash. <br />
<br />
[click on image to see a larger one]
<br />
<br />
Human vision:<br />
<a href="http://www.pbase.com/kds315/image/171822729/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171822729/medium.jpg" /></a><br />
<br />
Reflected ultraviolet (UV):<br />
<a href="http://www.pbase.com/kds315/image/171822730/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171822730/medium.jpg" /></a><br />
<br />
Simulated butterfly vision:<br />
<a href="http://www.pbase.com/kds315/image/171822731/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171822731/medium.jpg" /></a><br />
<br />
Simulated bee vision:<br />
<a href="http://www.pbase.com/kds315/image/171822732/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171822732/medium.jpg" /></a><br />
<br />
Quadriptych of human vision, ultraviolet, simulated bee and butterfly vision (left to right, top to bottom):<br />
<a href="http://www.pbase.com/kds315/image/171822733/original.jpg" onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}"><img alt="" border="0" src="http://www.pbase.com/kds315/image/171822733/medium.jpg" /></a><br />
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This flower shows a very prominent UV bullseye pattern, as its petal tips are very UV bright (around 365nm) and its center is very UV dark, and all this gets nicely visible, also in simulated bee and butterfly vision. <br />
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I have previously written about that flower <a href="https://photographyoftheinvisibleworld.blogspot.com/search/label/Rudbeckia%20hirta">HERE</a><br />
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Stay tuned, more will follow on that fascinating subject...<br />
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More info on this very interesting field may be found on my site <a href="http://www.pbase.com/kds315/uv_photos">http://www.pbase.com/kds315/uv_photos</a>Dr Klaus Schmitthttp://www.blogger.com/profile/03292267493192344782noreply@blogger.com