Being fairly new to LF, I was looking over one of the excellent DOF tables from the Schneider USA website, and it occurred to me that with smaller formats I nev er concerned myself with the source of the DOF calculation. With LF, it can obvi ously make a significant difference. So, the question is if the table says DOF i s from m to n feet, does that begin at the film plane or at the lens?
Thanks, Peter Shier
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