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Thread: Question re polarizing filter

  1. #1
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    Question re polarizing filter

    The turning action on my 77mm circular polarizer (B+W) is not very smooth. I would say that it could stand some lubrication. Is there anyway of doing this without risking lubricant getting between the layers of glass and totally screwing things up? Thanks

  2. #2
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    Re: Question re polarizing filter

    WD-40

  3. #3
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    Re: Question re polarizing filter

    Thanks; but how do you suggest preventing damage to the filter during application?

  4. #4
    Senior Member johnnygoesdigital's Avatar
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    Re: Question re polarizing filter

    First try some compressed air in the seam between the two halves. Second, try some graphite lubricant or something similar, but nothing that atomizes in a spray. Graphite can be applied by squeezing the tube, also try cutting the end of graphite tube at a very small and tapered angle.

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