In a message dated 00-03-09 13:47:30 EST, you write:
> I recently took my old Zuiko 55 mm lens out of the closet to try it. I
> found out that on some of my OM bodies something on the back part of the
> lens prevents the mirror in going up, so no picture can be taken.
> I have found this problem on an OM 2 and - more importantly - my OM 3. On
> another OM 2 there is no problem, as is the case with my OM 4 T and various
> other bodies.
>
The mirror up and the diaphragm closing are part of the same movement I
think. So if there is too much friction in the stop down lever or it is
slightly bent and hitting something, the aperture won't close all the way and
the mirror won't go up all the way. Stop the lens all the way down and see
what happens. If the mirror only goes part of the way up and the aperture
doesn't stop all the way down, then the problem is the stop down lever.
Warren
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