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Thread: Problems mounting a modern Compur 1 into a Technika board

  1. #1

    Join Date
    Jul 2006
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    Valley of the Sun, AZ
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    682

    Problems mounting a modern Compur 1 into a Technika board

    I tried mounting my 240 Germinar (in modern black Compur 1) into a #1 Technika board, but when I tighten down the lens nut it doesn't come to a hard stop, like with a Copal 1. Rather as you tighten the nut it compresses the aperture ring against the lensboard, preventing one from setting the aperture. I'm sure I'm not the only one who has discovered this. Am I missing a spacer ring, or is the Compur 1 board subtlety different from a Copal 1 board, or something else? Thank you.
    They are ill discoverers that think there is no land, when they can see nothing but sea.
    -Francis Bacon

  2. #2

    Join Date
    Aug 2000
    Location
    California
    Posts
    3,706

    Re: Problems mounting a modern Compur 1 into a Technika board

    Make a shim to fit between the shutter and the lens board. It needs to be very narrow and slightly thicker than the aperture ring. Thin mat board will work.

  3. #3

    Join Date
    Nov 2007
    Location
    Nuremberg Germany
    Posts
    1,049

    Re: Problems mounting a modern Compur 1 into a Technika board

    For the black Compur, Compur electronic etc. remote controls where aviable, mounted between shutter and lensboard. So a spacer ring was deliverd with the shutter. Without this spacer the shutter cannot fixed properly.

  4. #4

    Join Date
    Jun 2006
    Posts
    210

    Re: Problems mounting a modern Compur 1 into a Technika board

    try reversing the lock ring

  5. #5

    Join Date
    Jul 2006
    Location
    Valley of the Sun, AZ
    Posts
    682

    Re: Problems mounting a modern Compur 1 into a Technika board

    For the record, I found the original shims for a Compur 1, which took care of the problem: It takes two shims, each 48mm OD, 40mm ID, and 0.2mm thick.
    They are ill discoverers that think there is no land, when they can see nothing but sea.
    -Francis Bacon

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