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Thread: Touching Up a Small Lens Scratch

  1. #1

    Join Date
    Dec 1999
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    Forest Grove, Ore.
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    3,938

    Touching Up a Small Lens Scratch

    I have a 300mm Rodagon enlarging lens that I'm selling, AND UNFORTUNATELY, there's a small scratch on it's surface. (See photo.) It reflects light, so there may be a possibility that this scratch could affect image quality, especially since this lens is multi-coated.

    Isn't there a dab of liquid one can apply carefully just on the scratch itself to prevent it from reflecting light? I seem to recall this being the case. If so, what might I use? Would this need to be done professionally; it seems like this is something I could do myself? I contacted S.K. Grimes, and they're not familiar with this kind of repair.

    Whatever was applied, I wouldn't want it to have the ability to migrate to surrounding areas.

    Given the surface area of the lens, I doubt that the size of the scratch will be an issue. However, it's ability to reflect light might be another matter.
    Attached Thumbnails Attached Thumbnails Rodagon_G_Lens.jpg  

  2. #2

    Join Date
    Dec 2001
    Location
    NJ
    Posts
    8,085

    Re: Touching Up a Small Lens Scratch

    India ink.

  3. #3

    Join Date
    Dec 1999
    Location
    Forest Grove, Ore.
    Posts
    3,938

    Re: Touching Up a Small Lens Scratch

    Quote Originally Posted by Dan Fromm View Post
    India ink.
    Thanks very much. Will give this a try.

  4. #4

    Join Date
    Apr 2009
    Location
    Seattle area, WA
    Posts
    968

    Re: Touching Up a Small Lens Scratch

    If your selling, best to just mention it in the listing. Let someone else try to fix it or not if they want. You might get a bit less money for it, but condition seems to matter less and less on Ebay these days.

  5. #5

    Join Date
    Feb 2001
    Location
    Blue Jay, CA
    Posts
    2,387

    Re: Touching Up a Small Lens Scratch

    One of the fine point Sharpies, not that anything that small would affect anything anyway. Easily removeable.

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