Response to Developing 400ASA film to 100ASA - Atomal FF dev.

Ed, the Sterry method actually encompasses two methods - contrawise and speedwise bleaching. Contrawise bleaching does what you suggest i.e., alter contrast without altering speed, while speedwise bleaching alters speed without altering contrast. I should add that this is what I remember from Kachel's article in DCCT - I've never done any speedwise bleaching myself. Cheers, DJ.

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