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Help Identifying lens

Discussion in 'Adapted Lenses' started by rforney75, May 14, 2011.

  1. rforney75

    rforney75 New to Mu-43

    May 8, 2011
    I picked up this lens today at a garage sale. I paid $3 for it. Its in great condition, no scratches. Only problem is I can't identify the mount. The lens is a Rokunar Tele-Auto 2.8 135mm No. 17200108

    Attached Files:

  2. icy_se7en

    icy_se7en Mu-43 Regular

    Apr 17, 2011
    Looks like a Y-S mount not sure though, hard to tell looking at pics on google
  3. rforney75

    rforney75 New to Mu-43

    May 8, 2011
    I have been looking and it looks like it might be a k-mount. If anybody can confirm that would be great
  4. sprinke

    sprinke Mu-43 All-Pro

    Apr 5, 2011
    Pasadena, CA
  5. WJW59

    WJW59 Mu-43 Veteran Subscribing Member

    Feb 20, 2011
    It may be a Mamiya mount for the NC1000 or XTL camera. Mamiya and Pentax K look very similar but the Pentax has a locking pin notch on the face of the mount and two moving levers (180 deg apart) and the Mamiya has one lever with no notch. The XTL and CS (NC1000) lenses had similar appearing mounts but they were not interchangeable or compatible.

    If it is a Mamiya mount, I doubt you will find a M4/3 adapter. You might be able to sell it to a Mamiya collector as very few 3rd party lenses were made to fit them, IIRC.

    BTW, Mamiya introduced three different bayonet mounts between 1970 and 1980.
  6. rforney75

    rforney75 New to Mu-43

    May 8, 2011
    after doing lots of research it matches up to a konica mount. Do do they make adapters to m4/3 or is it worth it?
  7. SMaturin

    SMaturin Mu-43 Veteran

    Apr 30, 2011
    New York's Backyard
  8. rforney75

    rforney75 New to Mu-43

    May 8, 2011
    Thanks ordered adapter, will post some photos when I get it in. Will see what $25 will get me.
  9. fin azvandi

    fin azvandi Mu-43 All-Pro

    Mar 12, 2011
    South Bend, IN
    I hope that adapter works out - comparing your pictures and the backside of one of my Konica AR mount lenses here it looks exactly identical.
  10. iliakoltsov

    iliakoltsov Mu-43 Regular

    Aug 7, 2010
    The lens is good nothing stunning, it is similar to the vivitar 135 F2.8
  11. acercanto

    acercanto Mu-43 Regular

    Apr 15, 2011
    SW VA, USA
    Yup, looks identical to the AR mount lens I have sitting here.
    Good deal on a lens!

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