There's a comparison in the archives at
http://zuiko.sls.bc.ca/swright/archives/1998/msg10671.html
Tom
On Sunday, September 23, 2001 at 10:00, W.Xato <olympus@xxxxxxxxxxxxxxx>
wrote on "Re: [OM] (Fwd) Using non-zuiko lenses with OM's," saying..
> Richard, the Zuiko 500 mm has the best contrast,
> sharpness and lack of fall-off of any of the tested
> 500mm mirror lens. I had bought an no-name 500mm
> mirror (Samsu** or something) and it was truly
> terrible. You could tell it was very soft from 3x5
> photos. I gave it away free to someone on this list. I
> don't have the Zuiko but currently have the Tamron
> which gives passable results. I have also owned
> Russian MTO, Tokina, and Vivitar mirror lens which are
> in the same quality category as the Tamron.
> HTH, Warren
>
> > From: rmaust@xxxxxxxxxxxxxx
> > Subject: Using non-zuiko lenses with OM's
> > Date: Sat, 22 Sep 2001 13:48:32 -0700
> >
> > Hi there,
> >
> > My first post, I su*bscribe to the digest, so hope
> > this is going to the
> > right place...
> >
> > I've only used Zuiko lenses with my OM's but, given
> > that the longer focal c
> > length Zuiko's are expensive and/or heavy, I've been
> > wondering about
> > off-brand lenses. The 500mm Zuiko Reflex lens looks
> > great, but I've never
> > come across one and imagine they'd be pretty
> > expensive if I did find one.
> > There are a couple of 500mm which keep coming up on
> > e*ay that are pretty
> > cheap, one of which weighs only 12.7oz and is 3x3.4
> > inches:
> >
> >
> http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1277390137
> >
> http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=1277390669
> >
> > Since you pay for what you get, I'm assuming that
> > they're not great lenses,
> > but wondered if anyone had tried them or had any
> > recommendations?
> >
> > Thanks,
> >
> > Richard
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