There should be a tiny screw in the lens mount to keep the lens from
turning too far around, whether the lens lock latches or not. If that
stop screw is missing, the lens can turn far enough to damage the
camera's mechanism -- the coupling ring, as well as the aperture
stop-down lever can be destroyed.
Look for the stop screw in the track around the rear of the bayonet --
find it on your Zuiko lenses, and check to be sure all your lens and
lens accessories have it. If not, have it replaced -- it's usually a
short 1.4mm screw.
Mickey Trageser wrote:
>
> I bought an OM-4T. Absolutely love it. But.... seems the bayonet mount stop
> slot is slightly worn. My Zuiks and a couple of nonames lock in it fine. My
> Adaptall-2 mounted Tamron 28-200 will slip right past the slot with little
> effort. The Tamron locks fine in the OM-1 and OM-2 that have very good edges
> on their respective slots. The adaptall-2 is about a year old and looks ok.
> But I assume this is a combination of the wear on the body bayonet slot and
> the tension or something in the lens mount.
>
> I suspect that I'd have to change the bayonet mount on the OM-4T in not now,
> sometime down the road. Can the part be had, and can this be done at home?
> Cost? Should I just take the camera back and keep looking? Should I blame
> the Tamron and buy a Zuik? (Just checking!!!!) Really, anyone else had this
> experience with the Tamron adaptall-2?
>
> Thanks for any help.
> Mickey
>
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