When a lens turns too far clockwise, it often jams the meter coupling ring
past it's stop position. It deforms the plastic, makes the ring oval and
sometimes breaks it. Try pushing the ring inside the body mount back to its
rest position. If you can do that, next is to see if it slides smoothly and
will return to the rest position under it's own power.
_________________________________
John Hermanson www.zuiko.com
Camtech, Olympus Sales & Service since 1977
21 South Lane, Huntington NY 11743-4714
631-424-2121 For Free Olympus manuals,
please call 1-800-221-3000
_________________________________
----- Original Message -----
From: "Dave Carroll" <dave@xxxxxxxxxxx>
To: <olympus@xxxxxxxxxxxxxxx>
Sent: Monday, June 16, 2003 10:07 AM
Subject: [OM] OM-2 diaphragm linkage problem
> Hi all,
>
> I recently picked up a used Tamron Adaptall mount to use with my 500mm CAT
> lens to save me the hassle of switching mounts with my 90mm macro and,
while
> testing it for the first time on Saturday, it became jammed on my OM-2.
> While trying to remove the lens from the camera, the mount actually moved
> beyond the 12 o'clock 'locked' position on the OM and this appears to have
> damaged the diaphragm linkage. Once I got the lens removed, I tried
mounting
> various Zuiko's and the meter needle no longer registers any movement when
> varying the aperture on any lens (in either auto or manual). Stop-down
> metering, however, still works as expected.
>
> Has anyone else encountered this before? This is my original OM-2n body
and
> I am quite attached to it and would like to know if it is economically
> viable to get it fixed. Needless to say, the Adaptall mount that caused
the
> problem has been dumped, after sustaining irrepairable damage from contact
> with the nearest brick wall!
>
> Thanks,
>
> Dave Carroll
>
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