Sticking Tamron Adaptall stop-down mechanism

Discussion in '35mm Cameras' started by richardsfault, Aug 15, 2004.

  1. I had been having problems with over-exposed images on my XG-7, and
    discovered rhat the problem was due to the aperture stop-down
    mechanism which hold the lens fully open until the shutter is pressed.

    At smaller F-stops (16, 22, 32), the aperture sometimes sticks open at
    a largers stop, over-exposing the image. The problem does not occur
    with larger apertures.

    I lubricated the mechanism and adjusted a tab that was slightly
    rubbing on a surface beneath it, which partially or fully solved the
    problem.

    Has anyone experienced a similar problem?
    ------------------------------------------------------------------------------

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    richardsfault, Aug 15, 2004
    #1
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