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Fotasy FD to m43 doesn't fit?

Discussion in 'Adapted Lenses' started by adnrewn, Oct 31, 2014.

  1. adnrewn

    adnrewn New to Mu-43

    Oct 29, 2014
    I just got a Canon FD 50mm 1.8 off eBay.
    I also ordered a Fotasy FD to m43 adapter from Rainbowimaging.

    I've looked at a few other posts and watched some Youtube videos, but I cannot get the lens to fit on the adapter.
    I can line them up right (I think, anyway) but the lens doesn't ever sit flush with the adapter and I can't lock it.

    Is this an FD/nFD problem? I'm not really sure which one I've got here.
    Any help would be appreciated.
    Even if that means a different adapter.

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  2. Paul80

    Paul80 Mu-43 Veteran

    Jul 6, 2014

    it looks from the photos that you have the lens mount in its locked position, the locating stub by the red dot on the lens mount should be uncovered, you are showing it covered. once you have unlocked it, it should mount ok.

    • Like Like x 1
  3. adnrewn

    adnrewn New to Mu-43

    Oct 29, 2014
    Thanks for responding.

    You were right. The mount was locked. Lined up the inner and outer red dots. Popped on like a charm.
    At first, I thought someone had taken it apart and misaligned it. That's why the dots were that way. I was wrong.

    Now I'm just working out the aperture kinks and the way the adapter behaves.

    Gave me quite a panic. I found this lens pretty cheap (15.99) and I was really upset when it didn't fit right away.

    Thanks, Paul.
  4. Paul80

    Paul80 Mu-43 Veteran

    Jul 6, 2014
    Glad you got it sorted.

  5. pellicle

    pellicle Mu-43 Hall of Famer Subscribing Member

    Feb 10, 2010
    Killarney, OzTrailEYa

    if you end up liking FD lenses then I recommend this guys adapters


    top notch stuff, high accuracy, but not in the cheapie bin

    his video here should also help understand the FD system


    if you like to use longer focal lengths then consider this one
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    link to ebay

    I tried out a cheapie (blog post here)

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    and liked it with my 200mm f2.8, so (because the cheapie failed after a little while) I'll be buying one of his.
  6. dwig

    dwig Mu-43 Top Veteran

    Jun 26, 2010
    Key West FL
    One additional issue can prevent mounting of FD lenses on most adapters and some Canon bodies. With few exceptions, FD lenses of any version won't mount on anything other than autoexposure-capable Canon bodies when the f/stop ring is set to A (or the green circle on the older FD variants). There is a pin that protrudes from the back of the lens and unless the body mount on the camera, adapter, or other accessory (e.g. extension tube, tele-extender, ...) has a mating hole the lens won't mount. On autoexposure-capable bodies there is a pin in the hole that senses the extended pin on the lens to signal to the body that the lens is in Auto mode. A few lens accessories and a few manual bodies (e.g. AT-1, ...) have an empty hole to avoid the mounting conflict, but most don't.
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