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Canon 17-40 weird white dots inside front element

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    • JoeClark
      Post count: 4


      I recently bought a used Canon 17-40L lens and noticed it has some white spots in the front element.
      The spots seem to be in the plastic but don’t affect the image.
      I found this disassembly guide with someone with similar spots on the lens.
      Any information would be appreciated.

      The lens was $340 so it seemed to be a good deal, the lens is in perfect condition and has a UB date code.


      I didn’t find the right solution from the internet.

      Medical Device Marketing

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