Posted: Sun Dec 12, 2010 3:46 pm Post subject: Mysterious circle on lens element |
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caspert79 wrote:
When I look from the back through my Revuenon 55/1.4, under certain angles I see a strange sort of circular line. It was too hard too take a good picture of it, so I used Photoshop to illustrate this (the real line has smoother curves). Does anybody know what this might be?
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