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Adapter M39 (LTM, LSM, L39) > E-mount (Sony NEX)

Discussion in 'Sony E-Mount (incl. NEX, A7, A7R, A3000) Forum' started by elroos, Nov 26, 2011.

  1. elroos

    elroos SC Regular

    34
    Nov 5, 2011
    Netherlands
    Can anyone recommend an adapter for Leica screw mount lenses to Sony NEX E-mount? I am looking for a good quality adapter that keeps the lens well centered (aperture and distance scale) on the camera and that has no problems with infinity focusing.
    I have a Voigtlander adapter for Leica M > E-mount which is very good but they don't seem to make one for Leica screw mount.
    Thanks!
     
  2. Rich M

    Rich M SC Regular

    162
    May 2, 2011
    Hawaii
    I have the Fotodiox Pro and it seems just fine.

    R
     
  3. deirdre

    deirdre SC Top Veteran

    652
    Sep 26, 2010
    You don't really need a separate one for Leica screw mount, just get a screw mount to M adapter and use two adapters. It'll work. Voigtlander makes nice ones.
     
  4. elroos

    elroos SC Regular

    34
    Nov 5, 2011
    Netherlands
    Thanks Rich and deirdre. Yes, using the LSM > M adapter in a M > NEX adapter is another option, but if it's possible to avoid stacking adapters I would prefer that.
     
  5. deirdre

    deirdre SC Top Veteran

    652
    Sep 26, 2010
    That's what I thought, too, but the LSM -> M43 adapter's larger, so it takes up more space (and so would the NEX one be), and is thus more annoying to me to carry around than an extra LSM -> M adapter. Thus, I've simply bought LSM -> M adapters for all my screw-mount lenses and leave the adapters on all the time (except for the 135mm because it has a specific case where the adapter won't fit).
     
    • Like Like x 1
  6. adanac

    adanac SC Veteran

    386
    Sep 30, 2011
    Vancouver, BC
    I've seen others do that - buy a threaded mount adapter (LTM -> M adapter) for each lens - to get all their lenses to M mount; might make sense if one had a mix of LTM / M mount lenses.

    If you did go this route, one advantage would be you could purchase a single M -> E mount adapter and quickly mount any of your lenses. I really like the Hawk M-NEX (available from the maker off eBay) adapter as it includes an internal helicoid which allows you to close focus with your adapted rangefinder lenses.

    For example, the minimum focus distance for my ZM 25/2.8 is 0.5m. Here's an example shot of my kid's messy desk, helicoid collapsed (normal):

    20111127-DSC01172.

    With the helicoid extended fully, the MFD drops to about three or four finger widths from the front of the lens to the subject -- say about 6cm or so. That's quite an improvement from 0.5 meters, all the way down to 0.06 meters!

    20111127-DSC01173.

    This makes any M (or adapted LTM -> M) lens just that more useful. I leave my Hawk's mounted on the NEX-5N all the time except when using a native E mount lens. The Hawk adapter is ~ 179 if I recall correctly.

    A ZM 35/2 mounted on the Hawk adapter, collapsed, is on the right, compared to a static Contax/Yahsica adapter with a 50/2 Yashica kit lens of the day.

    20111106-_Z067115.

    Expanded:

    20111106-_Z067113.

    It is well built. The helicoid ring does not accidentally turn while focussing the M lens. You can actually focus using the helicoid if you wish - the movement is smooth enough and sometimes I do this.

    20111106-_Z067125.

    My copy is accurate with my lens's infinity stops and I've not read any other Hawk user having problems with infinity. Some M-NEX adapter (and indeed ??-NEX adapters in general) have problems with this, often allowing focus past infinity, probably "to be safe".
     
  7. elroos

    elroos SC Regular

    34
    Nov 5, 2011
    Netherlands
    Thanks adanac. That is very useful information! The relative long MFD of rangerfinder lenses has always been a downside of these lenses to me. I didn't know there were adapters that solved this problem. Very interesting. I suppose it works as a kind of extension ring. I will investigate the Hawk further and propably order one. Thanks again!
     
  8. adanac

    adanac SC Veteran

    386
    Sep 30, 2011
    Vancouver, BC
    My pleasure elroos.

    I was turned on to this adapter by other M lens users exploiting the NEX as their digital 'back'. While it seemed expensive, it is priced around the same as the static Voigtlander adapter, and is far less than the static Novoflex. Probably both those latter adapters are even better built / use nicer looking materials, but they don't offer the close focus improvement of the Hawk.
     
  9. elroos

    elroos SC Regular

    34
    Nov 5, 2011
    Netherlands
    I just ordered one:smile:. Pity they don't make one with M39 mount. I will have to use a M39>M adapter.
     
  10. elroos

    elroos SC Regular

    34
    Nov 5, 2011
    Netherlands
    I've used the Hawk adapter for some time now and it's great. I can really recommend it. Especially for the middle FL's (35 and 50) the MFD is drastically reduced.
    As for the M39 > E mount I will use a screw mount to M adapter in an M > NEX adapter.
    Thanks all for your help!
     
  11. Armanius

    Armanius Bring Jack back!

    Jan 11, 2011
    Houston, Texas
    Jack
    I stack them. The screwmount to M adapters never leave my screwmount lenses. Plus, they are such a pain in the butt to unscrew. So I just use a M to E mount adapter. Or I used to use anyway (given that I don't have a NEX anymore). Because the screwmount to M adapters are so thin, it really doesn't add to the size at all.