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  1. #11
    pasiasty's Avatar
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    Sometimes it's a tip (as small as 1mm long) of broken cable release that stays screwed in. Use a magnifying glass and check carefully. If not, try to find bargain lens (whatever brand and focal length, with fungus, separation and scratches all-together) with same/similar shutter and replace the socket.

  2. #12
    Ian Grant's Avatar
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    In the OP's case if it was me I'd remove the stripped one from the shutter and re-tap it with a straight tap then use one of those Rowi.Kaiser type 90 degree adapters and glue it into place before screwing the part back on the shutter casing.

    I use an M4 x 0.7 tap on the Thornton Pickard release arms and that seems the best overall fit, I can use a size up or down because of the taper.

    My experience is that there's quite a variation in the threaded end of cable releases, I had some that would only fit a Prontor and no other camera/lens.

    Ian

  3. #13

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    The Rodenstock 210/5.6 lens most likely uses a Copal #1 shutter.

    The Copal #1 replacement socket is $39.95 at B&H in NYC.

    http://www.bhphotovideo.com/c/produc...ocket_for.html
    Last edited by Ian C; 05-16-2013 at 10:05 AM. Click to view previous post history.

  4. #14
    AgX
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    Quote Originally Posted by AgX View Post
    Amongst the common metrical sizes the nearest fit [for a tool] would be M3 (3 x 0.5). Best fit concerning pitch but still seems a bit small concerning diameter.
    Quote Originally Posted by Ian Grant View Post
    I use an M4 x 0.7 tap on the Thornton Pickard release arms and that seems the best overall fit, I can use a size up or down because of the taper.


    I just checked it.

    Though the Standard M4 thread has a too steep pitch, due to the still small height of thread contact and the larger diameter of this contact this 4 x 0,7 size gave the best overall fit. At least for a provisional solution a DIY thread cutting attempt should be done.

  5. #15

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    Quote Originally Posted by Ian C View Post
    The Rodenstock 210/5.6 lens most likely uses a Copal #1 shutter.

    The Copal #1 replacement socket is $39.95 at B&H in NYC.

    http://www.bhphotovideo.com/c/produc...ocket_for.html


    Exactly what i needed! awesome dude

  6. #16

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    i appreciate the blast of knowledge fellaz, i went on and found a copal no.1 shutter and swapped the socket!
    now i can use my Rodenstock apo 210mm like it was intended!

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