It very well may not be storage. I'm personally not convinced that it isn't a process problem, or a combination of process and manufacturing, or something like that.
I think there's also the possibility that the end users are subjecting films to more extreme humidity changes than they are aware of. Especially given that bad refrigeration/ freezing habits are worryingly commonplace. I've seen what happens to 8x10 film when stuck in a fridge without appropriate humidity controls or environmental sealing - quite a spectacular mess.
I think there's also the possibility that the end users are subjecting films to more extreme humidity changes than they are aware of. Especially given that bad refrigeration/ freezing habits are worryingly commonplace. I've seen what happens to 8x10 film when stuck in a fridge without appropriate humidity controls or environmental sealing - quite a spectacular mess.
Yep. The only stuff I store way below room temperature is stuff that I'm planning to keep way past its expiration date. Everything else is just simply stored between 65 and 70 degrees with good air circulation. I live right off the Pacific Ocean and keeping things any cooler than room temperature is just asking for water to condense on it as soon as you take it out of the fridge or freezer. I used to keep things cold and regularly had problems. When I stopped doing that, they magically went away.
With 120 film, one shouldn't have to worry about sealing. The film comes in sealed foil. Though I'm kind of questioning whether that foil is 100% airtight.
I don't know how 8x10 is wrapped. If it's in package that isn't totally sealed, I see how there would be problems.
But I don't know what you mean by "bad refrigeration/freezing habits" in regard to 120 film.
Another thing to keep in mind is often when talking about problems, they mean time frames in the multiple months or longer. The film getting a little hot for a day or two or a little humid for a couple days generally doesn't do major damage. It's getting hot for weeks to months, or humid for weeks to months that does it. It's not so sensitive that you have to keep it refrigerated at all times all the way up until the point that you shoot it. I just recently revisited Kodak's TMAX 400 tech sheet and noticed that their guidance for storage is:
"Store unexposed film at 75°F (24°C), or lower, in the original sealed package. For protection from heat in areas with temperatures consistently higher than 75°F (24°C), you can store the film in a refrigerator. If film has been refrigerated, allow the package to warm up to room temperature for 2 to 3 hours before opening it."
Ilford says in HP5s tech sheet:
"For immediate use, store HP5 Plus in a cool (10–20°C/50-68°F), dry place in its original packaging. HP5 Plus may be stored in a fridge/freezer but allow plenty of time for the film to acclimatise prior to use."
A lot depends on how long you let the film sit at room temperature after defrosting before you open the wrapper. If you get that wrong you'll get condensation problems & potential wrapper offset.
People have been storing films in fridges and freezers since quite some years. The new mottling issue though is more recent.
She also confirmed, after seeing another of my images with the whitish specs, that the problem I’m having is the problem they’re trying to solve, what they referred to as “mottling” in their web site statement.
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