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Anybody lubricated Leitz lens screw threads?

Started Nov 8, 2016 | Questions thread
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AK41
AK41 Senior Member • Posts: 2,538
Anybody lubricated Leitz lens screw threads?

My old and beloved Summicron-M 35F2.0 got darn tight to focus. It hasn't been dropped, thus my guess is that the lubricant is just old or dried out. Do pass E.Leitz USA shop every few weeks, most probably should call and ask about pricing, but dealing them in the past know they will not give the answer by the phone. Found a suggestion that a drop of watchmaker's lubricant may solve the problem but am reluctant to try. Anybody tried this self lens focusing lubrication approach?

Thanks, Alex

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AK -- no EX, no IF, just photography: reflection of a moment impossible to reproduce.
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