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- May 21, 2010
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The first time I had the problem was in Rodinal & more recently it happened with Xtol, so there's two devs.Have you tried exposing a roll in a regular camera to see if the spots are still there? Or develope a roll in other developer to see if the spots are still there? Just curious. I have 200 ft of bulk 35mm that I have to use and am interested in the outcome.
I processed 10 rolls of Pan F+ 120 in Adox Adonal 1+50 at home and all the rolls having same spot, sample attached.
View attachment 70602View attachment 70601
Same problem here, Panf+ 35mm expired in 2008 and freezed ever since...
(there was a url link here which no longer exists)
HEY....here's what I was looking for a year ago--I determined it was the film too--although when I brought out this problem to another photo online community, my results were poo poo'ed and the popular opinion was that I was to blame for the spot problem. Nice to see that other people have the exact same problem and have made the exact same determinations--it's the film.
I also suspected that it's a result of storage conditions/refrigeration, but I have nowhere near enough information on how my film was stored before I got it, so this is, at best, speculation.
HOWEVER--maybe it's something else--I got black spots on REVERSAL processed film. So if the spots are black in the negative AND black in the positive, then maybe it's something else.
I've also thought it maybe some gelatain globules with dark dye in them are seeping out or breaking free from the edges/corners of the film and going into the processing solution and thence adhering to the film surface--or something that causes teeny black particles to form in the processing (or be liberated) which adhere to the film and stick when drying.
Are you suggesting that the grain patter on the right is due to the backing paper? I would beg to differ. That grain structure is characteristic of the emulsion (regardless of format). I've gotten similar results on Pan F in Diafine, 35mm.I think I found the problem: the protective paper has been changed it is more granular and when making long time exposure the paper refers to the light and brand the film here is a picture of the difference between the two papers
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