Mike wrote: > > > > roll to roll film variances are nonsystematic and cannot be dealt with, but i > > doubt it's as bad as 1/3 stop. even then, one >can get a bulk roll and calibrate > > for it.
Pro film is calibrated with 1/6 stop. Thats a words case scenario. It is usually far better. Amateur film is guarranteed within 1/3s but in real life they are usually within 1/6 stop as well. Pål