Dear Zs,
I have just been looking at Gary Reese's tests of the Zuiko 400mm and noticed
the curious fact:
OM-1 with mirror lockup
Vignetting = B+
Distortion = none
OM-2000 with mirror and diaphram prefire
Vignetting = none
Distortion = Slight pincushion
Why should there be any difference in vignetting and distortion using different
OM
bodies ? Was the same lens used for both of these tests ?
Wayne Harridge
http://members.optusnet.com.au/~w_harridge
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