Tuesday, June 21, 2011

[VIS, UV] Rudbeckia inside out - different UV reflectances inside and outside

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Noticed today, how different the UV reflectance of a freshly unfolding flower (here Rudbeckia fulgida ) could be, comparing the outside and ...
Monday, June 20, 2011

[UV] influence of ray angle when using the Baader-U or classic UV filter

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Today again about the "workhorse" of reflected UV photography, the Baader-U "Venus" filter. The old Baader-U had 40 dich...

[UV, VIS] Rudbeckia flower unfolding, part II

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Today further shots of my first Rudbeckia flower this year I had written about before , using UV sensitive camera, Cerco 94mm lens, Baader-...
Friday, June 17, 2011

[UV, VIS] Cerco 28mm multispectral lens

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Today about a CERCO 3.5/28mm multispectral lens, made of fluorite / quartz and a big CAVEAT upfront, as I'm using this lens way outside ...
Thursday, June 16, 2011

[UV, VIS, BV] first Rudbeckia flower unfolding

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Today shots of my first Rudbeckia flower this year, using UV sensitive camera, Cerco 94mm lens, Baader-U resp. UV/IR Cut filter [click on ...
Tuesday, June 14, 2011

[UV] Hungarian Parliament building in reflected ultraviolet light

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From a recent trip to Hungary, here a shot of the famous Hungarian Parliament building as seen from the Buda castle on the opposite side of...

[UV] Hungarian Puszta flowers in reflected ultraviolet light

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From a recent field trip to Hungary, a few flowers shots from the Kiskunsagi Nemzeti Park in the Hungarian Puszta. Shot using my UV sensit...