What causes pinholes in negatives? I am referring to those very tiny spots on t he negative that have no density. On the print, these appear as very dark tiny d ots. I am currently struggling with this problem with 4x5 Agfapan 100 developed in FX-1, then processed in acetic acid stop bath, Kodafix, and Permawash. Are pinholes due to flaws in manufacture (if so, are some brands more or less susce ptible) or are they due to processing? Is long storage of unexposed film in fre ezer a cause? Is development to N+2 or N+3 a cause? Lastly, what are the cures t o prevent them? Thanks, Rob
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