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Zuiko diaphragm slowness
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PostPosted: Thu Oct 01, 2009 5:57 pm    Post subject: Zuiko diaphragm slowness Reply with quote
I have a couple of Zuikos - coincidentally both via Keh - that over the years have developed a slow diaphragm.

I've had the impression this is due to fatigue in a spring... but could be sticky blades.

One's a 50/1.4 and the other an 85/2.

Any tips? Or should I bring them to a proper repair place?


PostPosted: Thu Oct 01, 2009 6:49 pm    Post subject: Reply with quote
I think grease from focusing helicon went onto blades. Use it more and look when they are stop working time to clean them.


PostPosted: Sun Oct 04, 2009 10:56 pm    Post subject: Reply with quote
Yes, it's oil on the blades. I've cleaned a few OM lenses because of this.
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