Archived posting to the Leica Users Group, 2000/02/12
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]George, Thank you very very much for the in-depth, detailed answer. It is very much appreciated. :-) Jim >At 11:20 PM 11/02/2000 -0800, Jim wrote: >>I have some questions. I bought some Konica Infrared film to play with. Has >>anyone out there used this film? If so, what sort of ISO does it have? 25? >>50? and what did you soup it in? D-76 1:1? Rodinal? >> At 07:15 AM 2/12/00 -0600, George Huczek wrote: >Reply: > > The following is part of some information I sent to a friend >> along with a few rolls of 120 IR 750, which might help you. >> With EKC IR film, polarizers will have some effect though >> minimal, since sensitivity extends to 1000 nm, and the lack of >> a anti-halation layer permits burn-outs anyway. There is some >> effect with IR 750, since the sensitivity is closer to red, >> especially with the 25A filter, however, I'd suggest not using >> it... sky and cloud contrast will be very high without it, and >> the results might be more desirable. >> >><snip><snip><snip> >> >> A good book to look at, though very simplistic and geared >> toward Kodak only, is Joseph Paduano's "The Art of Infrared >> Photography"... don't buy it... use the library. See also the last >> issue of Photo Techniques, with information on IR metering. >> >> (Note: If you are metering TTL with a 25A filter, you could set >> the EI to 64, which should give a sunlight exposure of 1/8 @ f/16 >> which is equivalent to Konica's suggestion of 1/60 f/5.6.) >> > > _ >[o] -GH >