CatLabs X 80 Film

Blue antihalation is a known feature of Fomapan films, at least in 120 format (not in sheet sizes, as I recall, and I don't recall seeing it in 35mm). The first bath you give when processing (whether a prewash or developer) will pour out with a strong blue color, slightly tinted toward green. I recall seeing that color on Lucky film, fifteen years or so ago, as well, bright blue base side.

Pieter12 said:

OK. I had a 120 roll where the paper leader tore in the camera as I was advancing it to the first frame (motor-driven camera). I removed the roll and examined it--the anti-fog layer (once again, I'm guessing that's what I'm seeing) has a strong, cobalt-blue color. Since I usually don't see unprocessed film, I wonder if that is unusual and maybe an indicator that it is a certain Chinese film repackaged?

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fairly obvious it's Shanghai or some other Chinese film...

On the X80 film, what ISO rating are people using for this film? My lab hadn't processed this film before, so I don't know what time they did it for. Needless to say for the negative portion that wasn't affected by my shutter problem, the film seemed quite weak in exposure. Again I don't know if the camera was at fault, but I have heard some people rating this film at 50 or even 32. I put a second roll in my Pentax 645N camera, as I know that camera is functioning normally. I set it to 80ISO, but Im concerned I'll get weak negs again, so Im debating to shoot it at 50 or even 32. Again what are other people shooting this film at? The lab I send to uses Ilford DD developer.

I rated and processed the 120 film at ISO 80 with no exposure issues.

Deardorff5x7 said:

Do you know the difference in under exposure and under development?

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Underexposure = lack of shadow detail. Underdevelopment = weak highlights.