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Re: [OM] Medium and large format resolution

Subject: Re: [OM] Medium and large format resolution
From: *- DORIS FANG -* <sfsttj@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 22 Jul 1998 07:43:15 -0400 (EDT)

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.

                  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 =*

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