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Crazing affect Images?

Discussion in 'Adapted Lenses' started by e.besana, Sep 14, 2010.

  1. e.besana

    e.besana Mu-43 Regular

    Apr 16, 2010
    Tarrytown, NY
    Hi all,

    A friend of mine recently gave me an SMC Pentax 50mm f2. Upon inspection of the lens I noticed significant crazing of the lens coating on both rear and front elements. I'm hesitant to purchase the adapter for this lens not knowing if it will even produce usable images.

    Does anyone have any suggestions on how I might be able to "validate" the lens before I buy the adapter for it?

    Thanks. -EB
  2. Rudi

    Rudi Mu-43 Top Veteran

    Aug 16, 2010
    Sounds like mould to me... :frown:
    • Like Like x 1
  3. pdh

    pdh Mu-43 Top Veteran

    May 6, 2010
    Sounds much like fungus to me too - I have a few lenses I was given that fit that description.
    WHat I've found is that if it's not too bad they can be used for macro-ish work Ok, and for portrait or whatever, light seems to "scatter" and produce very soft "luminous" images (rather beautiful in their own way).
    Don't know how you can test without buying an adaptor -- sorry
    • Like Like x 1
  4. Streetshooter

    Streetshooter Administrator Emeritus

    Dec 15, 2009
    Phila, Pa USA
    Maybe send a pm to BrianS.
    He's the man for this sort of issue.
    • Like Like x 1
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