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  1. #11

    Join Date
    Feb 2012
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    Nova Scotia, Canada
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    well maybe I will run a roll through the camera without using the ring once the lens arrives and see what happens. I will report my findings here.

  2. #12
    rjs003's Avatar
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    Feb 2004
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    Finger Lakes of New York ( Wine Country)
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    Check E Bay got one for$13.00 last time I needed one.

  3. #13

    Join Date
    Feb 2012
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    Nova Scotia, Canada
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    well I have ordered a ring off ebay but the lens is here now and it attaches just fine to the camera so I'm not sure why anyone would need one. Did Mamiya ever give a reason? Obviously you need to remove the ring for the smaller hole, but what is served by adding the ring if the lens will still attach properly and there are no light leak issues?

  4. #14

    Join Date
    Oct 2010
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    USA, Pac/NW
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    You could also try square cut, industrial 'O' rings.
    Try hydraulic supply houses. Measure the inside and outside diameters.
    Better yet, take your camera and lens to the supply house.

    http://photo.net/medium-format-photography-forum/00TBQi

  5. #15
    Steve Smith's Avatar
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    May 2006
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    Ryde, Isle of Wight
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    The ring is to help you line up the lens in the mount. It's not essential and once you have the lens mounted, it serves no real purpose.


    Steve.
    "People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.

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