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marks on back glass of lens a problem?
"R. Mark Clayton" wrote http://www.watchpolishing.com/antiscratch.htm Neat web store, I was looking for that stuff forever, munged the job in the meanwhile. The watch case opener in the upper right is a good thing to have in a large-format gadget bag / darkroom for lens retaining rings. |
#2
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marks on back glass of lens a problem?
Thanks. I missed the original post. This would be nifty
to try next time I find a lens of dubious character. Collin |
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marks on back glass of lens a problem?
"Nicholas O. Lindan" wrote in message ink.net... "R. Mark Clayton" wrote http://www.watchpolishing.com/antiscratch.htm Neat web store, I was looking for that stuff forever, munged the job in the meanwhile. The watch case opener in the upper right is a good thing to have in a large-format gadget bag / darkroom for lens retaining rings. I would not use this on any photographic lens or other high quality optic. It will ruin a lens coating and will disturb the figure of the lens. There is no fix for scratched lenses other than repolishing the surface. That can be done if the scratches are not too deep, deep scratches can be polished out but may change the thickness of the element enough to change the properties of the lens. Please do not cross-post any more. -- --- Richard Knoppow Los Angeles, CA, USA |
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