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#51
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First images with my infrared converted 350D
"Rich" writes:
Yes, flower pictures are interesting, giving you a view of how some insects see them. You just need the right filter to cut out the rest of the light. I think B&W makes some. A big part of the problem is the lens. A normal glass lens won't let much UV through and special UV lenses cost like hell - and I'll be glad to be proven wrong about this. |
#52
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First images with my infrared converted 350D
Toni Nikkanen wrote:
"Rich" writes: Yes, flower pictures are interesting, giving you a view of how some insects see them. You just need the right filter to cut out the rest of the light. I think B&W makes some. A big part of the problem is the lens. A normal glass lens won't let much UV through and special UV lenses cost like hell - and I'll be glad to be proven wrong about this. True about UV. Thankfully that doesn't apply to the infrared end of the spectrum where the lenses mostly work fine. Cheers, Wayne -- Wayne J. Cosshall Publisher, The Digital ImageMaker, http://www.dimagemaker.com/ Blog http://www.digitalimagemakerworld.com/ |
#53
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First images with my infrared converted 350D
"Wayne J. Cosshall" writes:
A big part of the problem is the lens. A normal glass lens won't let much UV through and special UV lenses cost like hell - and I'll be glad to be proven wrong about this. True about UV. Thankfully that doesn't apply to the infrared end of the spectrum where the lenses mostly work fine. UV is of special interest to me because my girlfriend is doing research on how birds use their UV vision for finding food. Being able to take UV photographs of her test setups might be enlightening or at least fun. |
#54
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UV lenses was First images with my infrared converted 350D
Hasselblad made a special version of their 120 for the
C-series (aka V-series) using quartz lens elements that was touted as a uv lens, so you find a used version of the lens, a v-to-h adapter and a H digital (or a C-to-Nikon!) and you are good to go. I'm guessing $20,000 to $40,000 USD but you'll really impress the girlfriend. I also found reference to a UV-105 Nikkor Flowers, birds and bees seem to do it without any hardware! but try http://www.naturfotograf.com/UV_IR_rev05.html titled "All You Ever Wanted to Know About Digital UV and IR Photography, But Could Not Afford to Ask". Ain't Google grand! darkroommike Toni Nikkanen wrote: "Wayne J. Cosshall" writes: A big part of the problem is the lens. A normal glass lens won't let much UV through and special UV lenses cost like hell - and I'll be glad to be proven wrong about this. True about UV. Thankfully that doesn't apply to the infrared end of the spectrum where the lenses mostly work fine. UV is of special interest to me because my girlfriend is doing research on how birds use their UV vision for finding food. Being able to take UV photographs of her test setups might be enlightening or at least fun. |
#55
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UV lenses was First images with my infrared converted 350D
darkroommike writes:
Hasselblad made a special version of their 120 for the C-series (aka V-series) using quartz lens elements that was touted as a uv lens, so you find a used version of the lens, a v-to-h adapter and a H digital (or a C-to-Nikon!) and you are good to go. I'm guessing $20,000 to $40,000 USD but you'll really impress the girlfriend. I also found reference to a UV-105 Nikkor If I spent $20k-$40k for that she'd think I am the dumbest man alive But at least she wouldn't have to kill me as they would be my own money.. Flowers, birds and bees seem to do it without any hardware! They have all kinds of neat optical instruments built-in, like polarization filters. but try http://www.naturfotograf.com/UV_IR_rev05.html titled "All You Ever Wanted to Know About Digital UV and IR Photography, But Could Not Afford to Ask". Ain't Google grand! I think I've been to that web page before but I didn't notice the instructions for modifying your own UV lens, so thanks! I have given some thought previously to the idea of taking a lens with as few glass elements as possible, but hadn't considered the need for removing the coating as well. |
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