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Thread: Help Identify Lens Issue.. Can it be cleaned?

  1. #1

    Join Date
    Nov 2022
    Posts
    1

    Unhappy Help Identify Lens Issue.. Can it be cleaned?

    Hello,

    I have a Sigma 70-210mm f2.8 APO lens and it has blue haze not sure if its actually a haze.

    When taking a picture it look good when not againts the light, but when facing a bright source the image gets glare, white contrast and soft.

    please see attached image of lens





    Attached Thumbnails Attached Thumbnails 313992425_3107276796230866_2751817480827242893_n.jpg  

  2. #2

    Join Date
    Feb 2015
    Location
    Sheridan, Colorado
    Posts
    1,912

    Re: Help Identify Lens Issue.. Can it be cleaned?

    It probably can be cleaned -- but you need the tools and skills to do it, and likely you will need a service manual too. It's not something I would try.

  3. #3
    Paul Ron's Avatar
    Join Date
    Aug 2004
    Location
    NYC
    Posts
    614

    Re: Help Identify Lens Issue.. Can it be cleaned?

    is this a lf lens?

    which surface is the haze on?... between cells, between elements?

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