At 10:19 AM 5/13/2002 +0800, C.H. Ling you wrote:
Yes, in my experience the 24/2.8 SC is sharper than the MC, the 28/3.5
is also sharper than the 28/2.8. My S/N 5xx,xxx SC 50/1.4 is as sharp
as my S/N >1,100,000 but the 50/1.4 SC with S/N 3xx,xxx was very poor
at f1.4 when compared to the others.
In Gary Reese's lens tests, the SC 85/2 seemed to be formulated for
sharpness wide open through about f8, whereas the MC formulation favored
the smaller stops. The larger apertures are where this lens is more likely
to be used, so that the older formula seems to me to be the more interesting.
Joel W.
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