Once again, Gary's tests covered the ground, 50mm/f8 is A-/A-, 70mm/f8
is A/A and part of his comment is:
"Primary differences from 35-80mm f/2.8 Zuiko is that it requires
f/11 for optimum performance (vs. f/8) and isn't as useable wide open."
Moose
suchismit@xxxxxxxxx wrote:
On a tripod mounted OM-4, the aperture was f/8 and was in the neighborhood of
60mm.
From my experience what gives the 35-80 the edge is that
its performance is high over a wider range of apertures
and it has the extra stop. But with the 35-70 at f/8 and
the 35-80 at most apertures, there is no noticeable
difference in image quality, printed or projected.
Could be a slightly different story under a high powered
loupe though.
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