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Topics - canonmike

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Lenses / Chalking on focus rings on L lenses
« on: January 11, 2013, 09:52:41 PM »
Can anyone tell me why some L lenses rubber rings chalk over while some do not and is there an easy fix??

Thks for commentary and suggestions about this phenomenon.  The white powder looking appearance on the rubberized rings of some L lenses is exactly what I'm talking about.  While I'm not paranoid about it, one would have to admit that while browsing sites such as ebay you encounter this condition frequently and given a choice of two equal lenses priced about the same and otherwise similar condition, you are apt to lean toward the one without this condition. Always looking to acquire L lenses but have avoided these in past.

While I don't have this problem on any of my lenses nor have I ever seen it on a new lens, I have often wondered what caused it and if there were any further underlying problems associated with it.  Apparently, based on responses this does not cause any other problems and it is not a mold based issue. Thks for responses

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