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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