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Thread: is this filter ruined?

  1. #1

    is this filter ruined?

    I have a filter that shows a persistent smudge film that I can't seem to get rid off.
    I tried piping hot water. I tried lens cloths. I tried glass cleaner. still I see this film.

    do you think there is a way to get rid of this imperfection?
    for the record: this is a hoya pro1 digital 77m pola filter.

    (I know this is technically an accessory but we're talking about glass and I thought it was a better fit for the lens forum. my apologies if I was mistaken.)

  2. #2
    Senior Member
    Join Date
    Dec 2008
    Central Kentucky
    It could be an oily residue from your fingers.

    I would try a lens cleaning solution or a 50:50 mix of distilled water and clear vinegar.

  3. #3
    the lens cloth is brand new.

    oily residue sounds right. I will try the water&vinegar solution and the lens cleaner. thank you!

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