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Oly 17mm f2.8 artifacts

Discussion in 'Native Lenses' started by tardegardo, Nov 19, 2012.

  1. tardegardo

    tardegardo Mu-43 Veteran

    375
    Apr 3, 2012
    Rome, Italy
    I took this [​IMG]
    at 2.8 and iso 3200,
    do you see those strange darker black artifacts if you magnify it a little?
    what are they?