There may be oil in just the back rings. From there, the oil might also
be in the sliding parts on the back of the lens. Then, there's often
oil on the blades and the blade plate. All those parts should be
degreased and bone dry to work properly.
___________________________________
John Hermanson
Camtech Photo Services, Inc.
21 South Lane, Huntington NY 11743
631-424-2121 | Olympus OM Service since 1977
http://www.zuiko.com | omtech1 AT verizon.net
michael.kennedy@xxxxxxxxx wrote:
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> I knew the day would come, and it has. My Zuiko 50mm f1.8 is getting
> old....the iris diaphragm is slowing up; taking about a second to fully open
> from f1.8. Solutions: exercise it like crazy; bin and replace it (only to
> find the same problem months down the line); there's a magic cure I don't
> know about?? I would hate to get rid of the lens; it is mint in all other
> respects and isn't used for 'quick fire' photography. Also, they're cheap
> and easy to come by, but I like to wear my 'environmental' hat. And the
> consensus of opinion among the group is....?
>
> Thanks,
>
> Michael.
>
>
>
>
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>
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