This may be the combined effect of semi silvered mirror, brighter screen
and natural vignetting which may be common to this lens.
John Hermanson
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----- Original Message -----
From: Mike Butler <abutler@xxxxxxxxx>
To: Olympus Mailing List <olympus@xxxxxxxxxxxxxxx>
Sent: Monday, May 01, 2000 9:59 AM
Subject: [OM] OM-1n vs OM-2s view finder image
> Hello all,
> While on the subject of airplanes, I was trying to get some shots of a
> B17 that was flying around on Saturday. When my 400 f4.5 is mounted on
> the OM-1n the view finder is crisp and clear. But when I mounted the
> same lens on the OM-2s there was a (vignetting?) darkening pattern
> visible in the viewfinder. I've tried to show what I see with ascii art
> below:
> ______________
> | |
> | / \ |
> | | | |
> | | | |
> | \ / |
> | |
> ----------------
>
> Is this an indication of a misadjustment of one of the cameras? Or
> maybe just a artifact of the semi silvered mirror of the OM-2s? I am
> using a 1-13 screen in the OM-1n and a 2-13 in the OM-2s.
>
> Worst of all when he came back over our house I was under the house
> repairing a drain line. By the time I clambered out he was out of
> range. But I'll tell you the sound of those four big radial engines was
> worth the bumps and bruises getting out of the crawl space.
>
> TIA,
>
> Mike Butler
> Dublin, California
>
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