Square wastes too much developer, my "tank" us EXACTLY the right size, the spiral reel fits snugly in the round tank and I can measure exactly 1/2 gallon if developer into it to cover the film. I would expect an official 70mm daylight tank to be the same considering how much developer is used per spool.
~Stone
The Noteworthy Ones - Mamiya: 7 II, RZ67 Pro II / Canon: 1V, AE-1 / Kodak: No 1 Pocket Autographic, No 1A Pocket Autographic
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