I just started using Rollei IR 400 in my Rolleiflex 2.8C. I am using a Hoya R72. I have a Kodak Wratten 87C I should try. I photographed at ISO 25 and 12, 12 was the best, though I was processing for ISO 25, Kodak TMax Developer at 10 minutes 70 degrees. The results were a little contrasty so I'll cut back the time next roll. Works for this image f5.6 1/50 of a second on the Rolleiflex. Just a New Hampshire dirt road early spring. Yes it isn't HIE.
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