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Re: [OM] Zuiko 100-200/f5 (was Vivitar Ser.1 70-210)

Subject: Re: [OM] Zuiko 100-200/f5 (was Vivitar Ser.1 70-210)
From: "Marco" <tom@xxxxxxxxxxxx>
Date: 2 Sep 98 20:15:31 +0200
On Mer, 2 set 1998 17:58, PCACala@xxxxxxx <mailto:PCACala@xxxxxxx> wrote: 
>For optical formulas borrowed from the Olympus Pen Fx line, note that they
>only had to cover a 18 x 24 mm frame.  On an OM they are covering a 24 x
36
>mm
>frame.  The bottom line is that on an OM there is more image making
>demand
>being placed on these lenses, outside the originally intended circle of
>coverage.  A parallel would be fitting a 350 mm f/2.8 Zuiko to a Mamiya
>M645
>(if it works).  The edge definition then becomes suspect.
>

The rear lens of the 100-200 is so recessed ahead that there must be no
difficulty of coverage of that lens. That is why it is recommendend for TC,
imho. It is common among teles to cover a larger image size. 

Marco



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