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Re: [OM] Medium and large format resolution

Subject: Re: [OM] Medium and large format resolution
From: Winsor Crosby <wincros@xxxxxxx>
Date: Wed, 22 Jul 1998 19:54:32 -0700
>On Tue, 21 Jul 1998, Winsor Crosby wrote:
>
>> Something that I have been curious about for sometime is the resolution of
>> larger format lenses. A number of list users have admitted to the use of
>> non-Oly cameras, but only because Oly does not make equipment in the larger
>> formats. I understand. ;-)
>> I have never seen lens resolution tests for medium or large format lenses.
>> Are they published? If so what kind of resolution would one expect from a
>> pretty good lens.
>
>  The current issue of Pop Photo (Aug '98) happens to have a test of the
>"normal" lens for the new AF Pentax 645. The results published in
>lines per mm.
>
>                               Resolution
>
>                  F/      Center          Corner
>
>                  2.8      55 (Exc)        42 (Exc)
>
>                  4        50 (Exc)        41 (Exc)
>
>                  5.6      45 (VG)         41 (VG)
>
>                  8        63 (Exc)        44 (Exc)
>
>                  11       70 (Exc)        50 (Exc)
>
>                  16       63 (Exc)        45 (Exc)
>
>                  22       50 (Exc)        40 (Exc)
>
>   They describe this lens as: "A superb normal lens"...hope this
>helps with your question.
>                               *= Doris Fang =*
>
>
Sure does. Thanks, Doris.

Winsor

Winsor Crosby
Long Beach, California
mailto:wincros@xxxxxxxxxxx





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