I presume you meant 55mm f1.2, not 50mm f1.2
Giles
> From: PCACala@xxxxxxx
> Hi all:
>
> I finally located a copy of the Popular Photography normal lens shootout that
> I mentioned in old postings. It was in the July 1976 issue, which I found for
> $3.00 at a Flagstaff used bookstore. Here are the results of their tests for
> the Zuikos, in FAQ format, with my comments on how they compare to other
> lenses in their class (as tested to that date).
>
> 50/1.2 SC (5/76 pp. 65):
> Actual: 56.00/1.31, Distortion: pronounced barrel
> Centering: near-perfect, Flare: 1.38%, Transmission: 84.25%
> Percent contrast of 0.01mm slit image:
> 1.2 2 2.8 4 5.6
> Center 55 72 77 79 80
> 1/3rd out 40 69 76 79 79
> 2/3rds out 44 60 71 74 71
> Far edge 37 41 56 75 80
>
> Comments: An average performer in its day, although with the highest flare in
> its speed class.
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