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Non M lenses on a digital M system ?

Discussion in 'Leica M Forum' started by bobbywise, Jan 28, 2013.

  1. bobbywise

    bobbywise SC Regular

    43
    Jun 2, 2012
    Nantes, France
    Robert Wisbey
    Hi !

    I'm thinking of taking the plunge and getting the Leica M (240 version) due out immanently.
    I do plan on getting some Summilux lenses, but would also like to use old lenses from Olympus and Minolta.
    I understand these lenses can be used with adaptor rings, but I'm wondering about the frame lines in the view finder.

    I have read the the M lenses are (obviously) registered with the body, and that the correct frame lines appear. I have also read that you can set the frame lines manually. However, the thing that is not clear is whether you can also manually set the frame lines for non M lenses like the OMs and the MD/MCs ?

    Does anyone have any experience with this, and confirm whether or not frame lines are visible and able to be set for non M lenses ?

    Thanks !

    Rob
     
  2. ajramirez

    ajramirez SC All-Pro

    Jul 9, 2010
    Caguas, Puerto Rico
    Antonio
    AFAIK, frame lines are only visible when M mount (or LTM with the appropriate adapter) are mounted. Similarly, rangefinder coupling is only available for such lenses. However, with the M (240), you can use adapted lenses with live view.

    You cannot set frame lines manually on the new M.

    Hope this helps.

    Antonio
     
    • Like Like x 1
  3. bobbywise

    bobbywise SC Regular

    43
    Jun 2, 2012
    Nantes, France
    Robert Wisbey
    Thanks Antonio,

    Yes, you've helped answer my question :)

    Rob
     
  4. flash

    flash SC Veteran

    372
    May 6, 2011
    Gordon
    The new M will allow the use of non-coupled lenses using either live view or the accessory EVF. You can't use the rangefinder for non-coupled lenses. There would be no issues with framelines as long as the adaptor had the appropriate lens mount but you couldn't focus them.

    Gordon
     
  5. bobbywise

    bobbywise SC Regular

    43
    Jun 2, 2012
    Nantes, France
    Robert Wisbey
    Thanks Flash,

    In most cases I'd be zone focussing, so for the non-coupled lenses not having the RF focussing is not a show stopper for me. I'd probably end up getting the EVF, but still prefer looking through an optical view finder.

    So if I understand you correctly, the lens adaptor needs to be for a certain focal length, and that would in effect set the frame lines on the body ?

    For example, I've heard how some people file down the extended part of the ring of the Voigtlander 40/1.4 so they get 35mm framelines instead of 50mm framelines.

    I've had a quick look for lens adaptors an they all seem generic (not specific to a particular focal length).

    With Well Wishes,

    Rob
     
  6. Hikari

    Hikari SC Veteran

    292
    Jan 5, 2013
    Maine, USA
    A number of M-mount lens lines were made by Minolta (for the CL/CLE), Konica (for the Hexer RF and a few others), Cosina for Zeiss and Voightlander and a few more obscure lenses like Avalon. These are coupled. No adapters needed. There should be plenty of places on the net to get you the low down on these lenses. Because the M has live view, you should be able to find adapters for SLR lenses.
     
  7. TraamisVOS

    TraamisVOS SC Hall of Famer

    Nov 29, 2010
    Melboune, Australia
    I thought SLR lenses won't fit because some of them stick too far into the camera and may hit the sensor?

    I don't know much about M mount issues with non-Leica lenses, never been able to work it out.
     
  8. swamiji

    swamiji SC Rookie

    13
    Jan 29, 2013
    You must use an adapter to put on SLR/DSLR lenses on the Leica M. That adapter must give the same lens to sensor/film distance as the original camera the lens was intended or it will not focus correctly. Most likely the lens will not focus to infinity as the M has a shorter mount as there is no mirror.
     
  9. flash

    flash SC Veteran

    372
    May 6, 2011
    Gordon
    Yep. It's the lens mount that brings up the frame lines based on the size of one of the flanges. I've never tried to modify one so I can't say if it's easy or not. You can buy LTM mounts that convert from Leica thread to Leica bayonet in the various focal lengths.

    Gordon
     
  10. swamiji

    swamiji SC Rookie

    13
    Jan 29, 2013
    One great thing about screw mount to M adapters is you can 6-bit code the adapter, so that the camera will apply color and vignetting correction. While it is true that the 6-bit code is very Leica centric, there are charts available for canon/voightlander/Zeiss/etc. lenses.

    There are Leica and Chinese adapters, the price difference is extreme. But if you get a Chinese adapter make sure the adapter is 1mm thick, or focusing will suffer.
     
  11. Farnz

    Farnz New to SC

    1
    Jun 3, 2012
    London
    Do you perhaps mean Avenon? The same lenses (21/2.8 and 28/3.5) were also sold under the brand names Kobalux and Pasoptik.