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Sigma 19mm - clunk?

Discussion in 'Native Lenses' started by Abfahrt, Nov 15, 2015.

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  1. Abfahrt

    Abfahrt Mu-43 Rookie

    17
    Nov 2, 2015
    Squaw Valley, California
    Pete Bansen
    Greetings -

    New member of the group here, so please, be gentle! I just bought the Sigma 19mm f2.8 to use on my GX7 and the lens makes a distinct 'clunk' noise when it is not mounted on the camera or when mounted but turned off. This happens when you rotate the lens end for end (front element is facing up and you rotate the lens so the element faces down). It does not make the noise when mounted with the camera powered up. Is this normal or did I get a defective unit? I've owned a lot of lenses through the years and have never encountered this previously.

    Thanks,
    Pete Bansen
     
  2. Gerard

    Gerard Mu-43 All-Pro

    May 12, 2015
    Vleuten, Utrecht
    It is designed that way.
    No worries.
     
  3. davidzvi

    davidzvi Mu-43 All-Pro

    Aug 12, 2012
    Outside Boston MA
    David
    Completely normal.
     
  4. Abfahrt

    Abfahrt Mu-43 Rookie

    17
    Nov 2, 2015
    Squaw Valley, California
    Pete Bansen
    Very good, gents - many thanks!

    Pete