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Thread: Where to find M50x.9 retaining ring for Xenotar 150?

  1. #1

    Join Date
    Feb 2010
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    Where to find M50x.9 retaining ring for Xenotar 150?

    Ok, so I acquired a nice 150mm f2.8 xenotar in barrel. However it lacks the retaining ring, which I believe is a 50mm x 0.9mm (M50x.9) thread. Anyone have something like that lying around or know where to find one off the shelf?

    thanks!
    -Ed

  2. #2
    Jon Shiu's Avatar
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    Nov 2003
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    Mendocino, California
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    Re: Where to find M50x.9 retaining ring for Xenotar 150?

    skgrimes.com

    Oh, I just found one that may work:
    Click image for larger version. 

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ID:	90848Click image for larger version. 

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ID:	90849

    pm send
    my black and white photos of the Mendocino Coast: jonshiu.zenfolio.com

  3. #3

    Join Date
    Feb 2010
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    1,136

    Re: Where to find M50x.9 retaining ring for Xenotar 150?

    I did check with SKGrimes, they don't have any, and will have to make some, which means 6-8 week lead time...

    Jon, diameter looks right, replied PM, thanks

    Ed

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