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> Developing expired *Original* FP4 |
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The second set of images certainly look like a clear improvement on the first.
When you mentioned about horrible things in evenly toned areas such as the sky, does it appear like a clumping, mottling effect? If so, this is quite a common phenomenon and is generally a sign of film that has been poorly stored and exposed to heat and moisture.
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MartyNL “Reaching a creative state of mind thru positive action is considered preferable to waiting for inspiration.” - Minor White, 1950 |
#12
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The antifogging "Restrainer" from Moersch shouldn't be expensive. The traditional antifog chemical has been and of course could be Kaliumbromide. |
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#15
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I bought a lovely Fed-3 and tested all the shutter speeds with the FP4 safety film. This time I shot at 64, developed at 250, like last time but this time I added 10% to the dev time and I am rather pleased with the results. Its still a bit grainy but this is eminently usable. I won't be shooting with it when I have a purpose in mind but when I am just parping around its ideal
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#16
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#17
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My benzotriazole experiments so far have only been with very old papers, but I often had to double the exposure, as well as increase development time by about twice as well. Based on this I would expect similar with films. I've just browsed for a good while, and I was surprised at how little information was out there, by people that had actually used the chemical, rather than offering wild stabs in the dark. The following thread I found useful, especially posts #01 and #11, where the poster used old FP4 at ISO 50 and doubled the development time as well: https://www.photrio.com/forum/thread...d-film.120922/ Based on my browsing and my paper experiments, I would try similar to the thread and half the film speed to about ISO 50 and try a small length of film for plus 50% and plus 100% development time, with benzotriazole added to what ever developer you want to use. Then look at the results and hopefully you will then just have to tweak if required. But do remember that using long expired film is very much touch and go. As my time can be limited I prefer to use fresh film only. Good luck. Terry S |
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