[snip] it can be curly if you don't let it hang with a weight for a few days. I've never needed a glass carrier with it.
Any recommendations for the thickest 120 b+w film would be appreciated
As an experiment I bought a few rolls of 120 Foma 400 film. It dried with a bad enough curl that I had a hard time getting the strips into a Print-File sleeve, even when I cut off the corners. The ambient conditions and process were the same as when I develop my usual 120 Kentmere 400 which dries a lot flatter. Does anybody here have enough experience with different 120 films to comment on which are the best and the worst as regards drying flat?
Hmmm, I wonder if that's the key? I generally just let my film dry overnight (or at least until I need to use the shower, lol!)
Interestingly, I don't seem much if any difference in curl between fresh and 20-30 year old rolls of Ilford films. I've been mixing up rolls (35mm and 120) of new-in-the-box Pan F with stuff dated from the mid to late 2000s lately, you're actually hard pressed to tell which is which from the negatives.
Foma 100 developed Saturday May 23, pulled the weighted clip for the photo. Slight cupping, dead straight lengthwise.
View attachment 399555
wow, Foma does not do that for me, even if I hang it with a weight for a week. It is so curly it is genuinely difficult to insert into printfile sleeves. I swore off Foma 120 for this reason alone (I really like Foma 100). What kind of environment are you in? I live in the desert with very low humidity. My home has central air and central heat, so temps in the house range from 68-77 depending on time of year.
(I do use Foma a lot in sheet film since it doesn't have curl issues.)
Maybe due to the RH in my dark room, Usually around 60-65%rh.
It’s rarely above 20% in the area I live, and frequently lower. I should try hanging a roll in my bathrooms, and take excessive showers to see it it affects the curl.
I'd rather take a shower with my wife, but some folks might prefer showering with a roll of film I guess.
Because my wife just barely lets me in the shower with her. If I were to drag a roll of film in, both me and the film would be lying on the bathroom floor.
Sir, yes sir! 🫡Moderator hat on:
That will be enough of that guys.
This is not my experience. Adox HR-50 (which is a somehow modified Aviphot 80) curls more than any other material.
It seems that there are varied experiences.
Humidity seems to play a part, and rapidity of drying.
I wonder if the tanning and hardening produced by pyrogallol and pyrocatechol developers affects curling? Would an acidic fixer harden more than a more neutral one?
It seems that there are varied experiences.
Humidity seems to play a part, and rapidity of drying.
I wonder if the tanning and hardening produced by pyrogallol and pyrocatechol developers affects curling? Would an acidic fixer harden more than a more neutral one?
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