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> Infrared sheet film |
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Infrared sheet film
I read Hugh Milsom's book with interest (thank you again, Neil) and got a good lot from it. One aspect not covered there is sheet film and I have three questions:
1 Should the film holder be particularly shielded from possible IR radiation when removing and replacing the dark slide? 2 Should camera bellows be covered in some way to prevent radiation getting in while the film is uncovered? 3 Are ordinary film holders adequate for IR use? I hope the usual suspects will have ideas: if not, I'll buy some film and try obvious tests before reporting back. Last edited by Michael; 18th October 2009 at 01:16 PM. Reason: "particulary" isn't a word |
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1. No more so than with standard film. 2. No. 3. Yes. Hope that helps. |
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Sorry can't help on this one as I haven't used i/r sheet film. But Dave will know :-)
Neil.
__________________
"The aim of art is to represent not the outward appearance of things, but their inward significance." Aristotle Neil Souch |
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Dave, thank you for that. I noticed, by the way, that Rollei have an IR film proper, as well as the 80S I tried out. I didn't know whether you were aware of it - thought I should mention it.
Your post came in fast, as Neil was composing his. Thank you both. Today was wet walking weather here, not a day for a camera. |
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I read reports that not all LF camera bellows are IR safe. For example the Wisner red leather bellows are probably not IR tight but most modern LF cameras have standard and bag bellows 100% IR proof.
From my experience using 4x5 Kodak HIS, 4x5 Efke/Maco IR820c, 4x5 Agfa Aviphot 200 all ordinary holders like: Lisco REGAL II, Fidelity Elite, TOYO are IR safe. In any case very old, worn felt traps on any holder can do the leak. It’s good practice working with IR materials to use your best holders. |
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Chamonix had a problem with their Bellows not being IR safe
I think they have overcome that hitch with the latest batch - but its still worth asking the question if you were to order one Martin |
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