 BetterPhoto Member |
Effects of Refrigerated Film What effects does outdated refrigerated film have? What symptoms to look for after development? Should you increase the development time? Black-and-white, but also color print film?
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Michael H. Cothran |
Refrigeration slows down the aging process of film. It's a good thing. In your situation, the best thing is to test a roll first. Michael H. Cothran www.mhcphoto.net
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John A. Lind |
Additional Info: Michael is correct that it slows aging. However, professional films are intended to be refrigerated. Consumer films are shipped "green" assuming they will be on a store shelf for a while, in a kitchen drawer for a while, and in a camera for a while. Professional films are aged before shipping and are kept refrigerated to keep them at the "ripe" state longer. Anything, consumer or professional that gets to expiration date should be moved to the freezer. That slows it much more . . . almost stops the aging . . . however, it cannot stay there forever either. Eventually background radiation (e.g. gamma radiation) will fog it. The faster the film, the sooner that kicks in, but a deep freeze will typically keep it a very, very long time. -- John Lind
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John A. Lind |
One more thing: Allow film from refrigeration of deep freeze to sit an come up to room temperature before opening it. Otherwise, moisture will condense on the film. -- John Lind
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