Tuesday, March 5, 2013

Spring Flowers 2013 - 100mm enlarger lens for reflected ultraviolet photography

Today about the same early spring Irises shot in reflected ultraviolet photography that I had shown before when shot with the Cerco quartz fluorite lens. Filter used was my "work horse" UV filter, the Baader-U filter. Lens used was an old 100mm enlarger lens. Light source was the last sunrays of that wonderful spring Sunday. All shots were done at about f8. So, on to the results now...

[click on image to see a larger one]


Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

VIS-IR image using no filter:
 



Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

VIS-IR image using no filter:
 



Visible light image:
 

UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
 

VIS-IR image using no filter:
 

So, I hope you enjoy seeing some early spring flowering Irises!


Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos