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Old 04/05/08, 09:00 AM   #1 (permalink)
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Default Oil on the shutterblades

I am considering a 35 lens. But there is oil on the shutterblades (correct english?) I have seen it before. What does mean? What kind of practical implications does it have?
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Old 04/05/08, 09:20 AM   #2 (permalink)
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Default Re: Oil on the shutterblades

Oil from the helical has seeped into the aperture mechanism and got on the blades. usually, it is not a major problem and just dampens the movement of the blades. It can gum up the motion.

On some lenses where the surfaces are very close to the blades, It can get onto the elements and "smudge" them. It can evaporate and leave a haze, and at worst damage the coatings and etch the coatings and glass. That is an extreme, but I've seen it happen on Canon LTM lenses.

Usually, 99% of the time, the oil can be reduced with a CLA and any haze on the glass cleaned off.
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Old 04/05/08, 06:35 PM   #3 (permalink)
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Default Re: Oil on the shutterblades

I saw that one too. Pretty good price even if you pay for a CLA.
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Old 04/05/08, 08:00 PM   #4 (permalink)
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Default Re: Oil on the shutterblades

Most of the normal Leica service people will clean the shutterblades for $60-$70. Not a big problem.
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Old 04/06/08, 02:10 PM   #5 (permalink)
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Default Re: Oil on the shutterblades

Great, thankyou everyone. So i guess i will go for it!
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