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Re: [OM] Lens Performance Survey

Subject: Re: [OM] Lens Performance Survey
From: John Hudson <jahudson@xxxxxxxxx>
Date: Tue, 24 Aug 1999 19:22:26 -0700
At 01:29 AM 25-08-99 +0200,  "Klaus  Schroiff" <kschroiff@xxxxxxxxxx> wrote:

>There're some consistency checks in the database engine and one
>prevents you from entering worse results for stopped-down vs. wide-open
>performance.
>In my experience I've never seen a lens that did not benefit from
>stopping down a bit and I've some heavy doubts that a wide-angle
>lens is really capable of this.
>"stopped-down" refers roughly to wide-open + 1 or 2 f-stops and not
>f/32 or so. Beyond f/16 the quality will usually deteriorate
>quite rapidly obviously.

Why do you say ".....obviously"? 

jh

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