Everyone should do themselves a favor and try TETENAL's Ultrafin film developer!!! After doing several diferent DENSITY THRESHOLD TEST(s) with various films I have been amazed by the results. I am not a "Tech-Head" by any means--I just want a film and developer combination that gives me extreme sharpness and luscious tonal-range. TETENAL ULTRAFIN is the definitive developer when you are processing either by hand or with rotary such I do with a ATL-1000. I hope this product is available for years to come!!!(posted 8646 days ago)