[Contax] Aperture issue with a Contax body

Discussion in 'Classic Manual Cameras' started by emmanuel_b|1, Jul 30, 2015.

  1. Hi,
    I just purchased a beautiful MT167.
    I own already an AX and another MT167.
    I own as well two 50mm f1.4, one 135mm f2.8 and one 28mm f2.8, all from Zeiss.
    The issue I have with the latest MT167 is that f number is shown different on the screen than it should be, difference is more or less 1/2 diaph.
    For example the ring is set to f16 and the screen shows f19; at the opposite side it shows f1.7 when the ring is set to f1.4.
    This happens on 3 of 4 lenses.
    None of the other bodies has this problem.
    I think about a small body gap somewhere.
    Anyway, does it change something on the shot condition, or is it just cosmetic on the screen?
     
  2. If the body is reading the lens incorrectly the camera will not be computing the exposure correctly.
    In the Contax line, the interface from lens to camera body is a simple mechanical interface. Your MT167 seems to be out of adjustment and requires some very basic service.
     
  3. >Your MT167 seems to be out of adjustment and requires some very basic service.
    I am interested to know how to do it.
     
  4. Playing with free play between lens and body solves the issue, but it doesn't stay like this a long time.
    I need a long term solution.
     

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