I can't see any numbers on that lens to tell you if it is numbered close to
mine, but the tri pod mount is different than mine, the front is different
as it has the sun shade threads on the outside, mine are on the inside, the
little lens holder is different than mine, though the rear view is
apparently the same except mine doesn't have 'filter matic' on it. My lens
mount rotates and has a knob on the side that says 'lock/free'.
Mine looks like this one;
http://cgi.ebay.co.uk/Sigma-600mm-F8-Filters-etc-600-Olympus-Fit-OM_W0QQitemZ130092953865QQcategoryZ3344QQcmdZViewItem
but I have a higher number sequence, 240601
----- Original Message -----
From: "Jeff Keller" <jeffreyrkeller@xxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Thursday, March 29, 2007 8:04 PM
Subject: [OM] Re: Black Sigma CAT 600 f8
>
> Hi Mike,
>
> I saw that one too. I don't think I've ever seen a Sigma having the
> small metal handle on the filter holder. I also thought (perhaps
> guessed is more accurate) that the filtermatic descripter applied to
> fairly old Sigma lenses. Scott Pedan seems to have a very old Sigma.
> He could probably tell whether this is the same as his. His tiny
> filters are probably going to cause him some work in order to get a
> very good UV filter, which apparently is needed for the lens to be
> reasonably sharp. I think I'll send an email to Scott.
>
> I ebay'd a pretty strange sigma 500/8 catadioptric lens recently. It
> arrived a day ago so I haven't had time to do anything but mount it on
> an OM to make sure it fits. The lens looks like it might be a Maksutov
> but it has an extra element, which appears to be flat, in front of the
> curved Maksutov corrector lens. The secondary mirror is mounted on
> what looks like the curved corrector. The other odd thing is that the
> mount has the moving aperture stop down lever, but it isn't connected
> to anything.
>
> Best wishes,
>
> -jeff
>
>
> On 3/29/07, usher99@xxxxxxx <usher99@xxxxxxx> wrote:
>>
>> Spotted this on yabe.
>> 110108890031
>>
>> Mike
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