ZUMA Mount Adapter for Leica (M) lens to fit EOS M Body


Lens Mount Adapter-Leica M to EOS-M


Adapts Leica M Mount Lenses to fit on Canon EOS-M Mirrorless Camera 

  • The Canon EF-M lens mount, introduced in 2012, is a derivative of the Canon EF lens mount designed for use with the Canon EOS M mirrorless interchangeable-lens camera. 
  • It has an 18mm flange focal distance (compared to 44mm for EF and EF-S) and a 47mm throat diameter (compared to 54mm for EF and EF-S). 
  • Though as it is designed for use with an APS-C-sized image sensor, it features the same crop factor (of roughly 1.6) as the existing EF-S lens mount. 
  • It allows the use of other lenses with this adapter, but it is not backwards-compatible with Canon's existing DSLR cameras.


  • Leica M lenses are easily adaptable to the EOS-M system resulting in no induced loss of light or sharpness.
  • Adapted lenses retain their native focal lengths but have a doubled field of view—i.e., an adapted 50mm lens is still a 50mm lens in terms of focal length but has a 100mm field of view due to the Micro Four Thirds System 2x crop factor.
  • Wide angles are generally not practical for adapted use from both an image quality and value point of view.
  • The main disadvantage of using adapted lenses however, is that focus is manual even with natively autofocus lenses.
  • Full metering functionality is maintained however, as are some automated shooting modes (aperture priority).
  • A disadvantage shared with all systems that do not conform to the internal dimensions of the Leica mount specification is that some LM and LTM lenses with significant rear protrusions simply do not fit inside the camera body and risk damaging lens or body. An example is the Biogon type of lens.
Model Z-EOSM-LM Color: Black

Add to Cart:

  • Model: Z-EOSM-LM
  • 10 Units in Stock
  • Manufactured by: Zuma Photo Video