-
UPDATE
The forum will be moving to a new domain in the near future (canonrumorsforum.com). I have turned off "read-only", but I will only leave the two forum nodes you see active for the time being. I don't know at this time how quickly the change will happen, but that will move at a good pace I am sure. ------------------------------------------------------------
Canon Rumors - Your best source for Canon news, rumors and creators
This right up front, this is not a great picture, it is a proof of concept, to be refined.
I am interested in UV reflectance photography and to see whether there are insect patterns not visible in "normal" light on some minute orchid flowers. The flower is 1.76 mm (no, not a typo) wide. Shot with full-spectrum modified 5D2, MP-E 65 at f/2.8, manually stacked 10 frames, Baader UV-pass visible opaque filter, ISO 400, about 4 second exposure, illuminated with single UV 365 nm LED flashlight.
First off, the MP-E 65 DOES transmit some UV. That's already great. I also have a Nikon EL 80/5.6 but still waiting for some parts to arrive to put it all together. Should have much better UV transmission, so will be interested to see the differences.
Further refinements are additional UV flashlights (can't diffuse them because of absorption and fluorescence issues), and stacking with StackShot (have that).
Some single shots on some other orchid flowers do show some different patterns, so that works as well. The dotted highlights, those are the individual cells, with their rounded surfaces (verified by scanning electron microscopy). In visible light, the flower is uniformly green.
I am interested in UV reflectance photography and to see whether there are insect patterns not visible in "normal" light on some minute orchid flowers. The flower is 1.76 mm (no, not a typo) wide. Shot with full-spectrum modified 5D2, MP-E 65 at f/2.8, manually stacked 10 frames, Baader UV-pass visible opaque filter, ISO 400, about 4 second exposure, illuminated with single UV 365 nm LED flashlight.
First off, the MP-E 65 DOES transmit some UV. That's already great. I also have a Nikon EL 80/5.6 but still waiting for some parts to arrive to put it all together. Should have much better UV transmission, so will be interested to see the differences.
Further refinements are additional UV flashlights (can't diffuse them because of absorption and fluorescence issues), and stacking with StackShot (have that).
Some single shots on some other orchid flowers do show some different patterns, so that works as well. The dotted highlights, those are the individual cells, with their rounded surfaces (verified by scanning electron microscopy). In visible light, the flower is uniformly green.