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Thread: sinar bellows extension calculator

  1. #1

    Join Date
    Jul 2008
    Location
    London
    Posts
    113

    sinar bellows extension calculator

    hi All

    i just picked up a Sinar calculator but it has no instructions

    i understand the concept and that i place the cap in shot then measure its length
    but itís not clear where the scale starts on the body

    Click image for larger version. 

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    do I in measure from the end or from one side or the other of the white square

    best

    robin

  2. #2

    Re: sinar bellows extension calculator

    Try this....

    I believe you lay the pen on the ground glass, oriented to the right 0 point of the cap image.

    Then read the bellows factor out directly comparing the two.
    ďThe secret of getting ahead is getting started.Ē
    ― Mark Twain

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