In my case, normally I use the FX-1 because of the high acutance, provided that the film has less than 200 ASA. Also, in my case, sometime I have tried the FX-37 to develop some rules with Ilford Delta or Kodak Tmax with good results.
Aside of the FX-1 and FX-37, in your opinion, what are the salient features of the FX developers?
Geoffrey Crawley, was a leading innovator in b/w chemistry for film, and the editor of the British Journal of Photography for much of his career. His FX developers are considered some of the finest ever formulated and have been the basis for many successful commercial formulas, though many were simply experimental. The FX formulas are often misprinted, and misunderstood. Forum moderator, Bill Troop, is the world's leading authority on Crawley's formulas. If you have questions or comments specific to FX developers, post them here.
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