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Thread: Hydrophobic coating Longevity

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    Hydrophobic coating Longevity

    How long does the hydrophobic layer of the Anti reflection last, the effectiveness of the coating? Does it differ from brand to brand based on the lens coating technology? I would generally assume at least one year.

  2. #2
    One eye sees, the other feels. OptiBoard Gold Supporter
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    Quote Originally Posted by Opticia_n View Post
    How long does the hydrophobic layer of the Anti reflection last, the effectiveness of the coating?
    Properly fabricated (shape, size, thickness, etc.), low chemical environment, no high heat, proper cleaning/very good care...four to five years on average for the best coatings.

    Does it differ from brand to brand
    Absolutely. Like grandpa said: you pay, you get.

    Hope this helps,

    Robert Martellaro
    Roberts Optical Ltd.
    Wauwatosa Wi.
    www.roberts-optical.com
    ~~~~~~~~~~~~~~~~~~
    Science is a way of trying not to fool yourself. - Richard P. Feynman

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