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[OM] New lens tests with a few surprises!

Subject: [OM] New lens tests with a few surprises!
From: PCACala@xxxxxxx
Date: Tue, 25 May 1999 01:53:30 EDT
I've just posted SQF lens tests for the following lenses:

OM-1 w/ mirror lockup:
35-80mm f/2.8 Zuiko
28mm f/3.5 Zuiko

OM-4 w/ mirror and auto diaphram prefire, plus Bogen Telephoto Lens Support:
35-80mm f/2.8 Zuiko at 80mm
65-200mm f/4 Zuiko at 90mm
200mm f/4 Zuiko MC

Canon FD lenses:
50mm f/2

Highlights: 1) the Bogen Telephoto Lens Support makes a dramatic difference 
in the image quality of the 200mm f/4 (this puppy is a rather nice lens when 
it's "muzzled"), 2) OM-4 mirror and auto diaphram prefire seems to be 
responsible for an improvement in image quality in the 35-80mm f/2.8 zoom at 
80mm (if you own one you probably don't shoot with a OM-1/2 class camera, 
anyways), 3) a dented filter rim shows a noticable degrading in wide aperture 
performance for a 28mm f/3.5 Zuiko (decentering effects?).

Enjoy the 35-80mm results!  All of these are posted at:
http://members.aol.com/olympusom/lenstests/default.htm

What's the 35-80mm f/2.8 like?  The mechanics are silky smooth and solidly 
built.  It's a bit heavy, but nice for big hands.  Tripod stability is a bit 
suspect due to it's length at 80mm.  The tulip shaped hood is hip, but less 
functional than the 35-70mm f/3.6 hood.  Focusing with a 2-4 screen is out of 
this world for a zoom, with nice snap and excellent contrast.  Distortion is 
more than I would have expected from such an expensive zoom.

Thanks to all who have contributed to expenses.  I now have 10 rolls "on 
ice," as well as the aforementioned Bogen Telephoto Lens Support.

Upcoming lens tests:
28-85mm f/4 Canon FD
28-210mm Vivitar

Gary Reese
Las Vegas, NV


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