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09-20-2012, 07:37 PM   #1
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Oily Blades!!

Hi

Their is a Lens on Ebay which i really want. My only concern is that the Lens does have a little oil on the Blades. Is this something I should be concerned about? Would this be a costly repair job?

09-20-2012, 07:45 PM   #2
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Whether or not it's something to be concerned about depends on the lens. If it's an older M42 lens with a preset aperture (so two rings to control aperture) or is an m42 and you're manually changing the aperture with the ring for shooting, then oily blades is just fine. I also have an m42 "auto" lens that has oil and it works just fine even on my spotmatic with auto. K mount lenses seem to be quite a bit more susceptible to negative results form oily blades. I'm unsure of any cost to get it done, and probably depends on the lens itself and who you have do the work.
09-20-2012, 08:35 PM   #3
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I have a Pentax A 50 2.8 Macro with some signs of oil on the blades and some very tiny scratches on the rear element- it seems to have very little/no noticeable effect on my photos, at least to my eyes.

I suppose I will send it to Eric someday and see how much work like this will run me, but at the moment, I'm using this lens quite a lot; hardly leaves my camera, I don't want to be without it.
09-21-2012, 05:39 AM   #4
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The Lens is a F 50mm 1.7, "auto" lens from the 80's I believe.

09-21-2012, 06:46 AM   #5
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QuoteOriginally posted by Zedman Quote
The Lens is a F 50mm 1.7, "auto" lens from the 80's I believe.
There will be better copies up in time... Hold out for one of them...
09-21-2012, 07:30 AM   #6
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QuoteOriginally posted by DaveHolmes Quote
There will be better copies up in time... Hold out for one of them...
What Dave said
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