Quote Originally Posted by dr bob
However, your post gave me an idea: Why not develop IR film by inspection under yellow/green light? Anyone tried this? Considering the response spectrum I'll bet it would work, at least for 4x5 and maybe 120.
Yes, I have. Green light, MACO 820c 4x5", Pyrocat-HD 1:1:60, no fogging. I didn't turn on the light until four minutes into the development, then kept it on as the first sheets were developed enough already (exposure by guesswork). Last one was done after 11 minutes, still no fogging.