How to Use Super-Fast Films

Discussion in 'Classic Manual Cameras' started by marc_bergman|1, Apr 4, 2018.

  1. AJG


    After doing some serious testing 30+ years ago, I pretty much stuck with Tri-X at ASA 200 for 35, 120 and 4x5 in HC 110 B for 5 minutes at 68 F for roll film and a custom HC 110 dilution for 4x5 in a JOBO tank. My testing with prints and a densitometer showed that I got better shadow detail with ASA 200 than 400, and the shorter developing time lessened grain. I would occasionally use Tri X at 400 in 35 when I needed the speed, and lengthen the developing time by a minute.

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