Me thinks that he has been using an old auction as template. As he also
mentions that he only has one of these lenses in Canon mount.
Dan.
-----Original Message-----
From: owner-olympus@xxxxxxxxxxxxxxx
[mailto:owner-olympus@xxxxxxxxxxxxxxx]On Behalf Of Jeff Keller
Sent: 26 August 2003 16:59
To: olympus@xxxxxxxxxxxxxxx
Subject: Re: [OM] Sigma 600mm F8 Mirror Lens
I forgot to post the link
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2946763446&category=3
344&rd=1
Its a mirror lens. I've yet to see a snappy aperture on a mirror lens.
FWIW I asked an yaBe buyer who picked up a right angle camera mount why
he got it. The buyer had lots of feedback. I was surprised he didn't use
a Varimagni finder. Turns out he spotted that it had an aperture in it
(that can be stopped down) and he wanted to use it with his mirror
lens(es). The seller claimed it was made by Olympus which I doubt but it
was probably made to work with Olympus microscopes. It sounds like
something to try. I suspect a large lens cap with a large hole cut in it
could give a one stop aperture to make up for focusing errors. More
things to try...
-jeff
----- Original Message -----
From: "William Sommerwerck" <williams@xxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Tuesday, August 26, 2003 1:35 PM
Subject: [OM] Sigma 600mm F8 Mirror Lens
> > This is a brand-new manual focus Sigma 600mm F8 Zen-finish
> > mirror lens --- Aperture and focusing snappy and smooth...
>
> > I'll bet Moose knows... By some odd chance, do these have an
aperture?
>
> Uh... All lenses have an aperture. Otherwise, how would the light get
> through?
>
>
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