<< Except that Gary's measurements are at best only accurate to about 1
part in 300, or about .15 millimeter, whereas the close tolerances for
the Contax are on the order of .005 millimeter. That makes it difficult
to say with any certainty that Olympus did not adjust the flange to
film plane
distance at some points in the OM line.
To make any real judgement, it seems that what we need to know is what
the curvature of field of a 'normal' lens is at the film plane: how
'deep' this
curve is from corner to center at the film plane in millimeters (or
microns, etc.) >>
I hereby announce my retirement as a Norman Goldberg want-to-be. I'm
ready to just take pictures again. Damn the millimeters . . .
:-)
Gary Reese
Las Vegas, NV
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