Canon EF-M lens mount
The Canon EF-M lens mount was introduced in 2012 as a derivative of the Canon EF lens mount for Canon mirrorless interchangeable lens of the M-series that have APS-C sized sensor. (about 1.6 crop format with respect to full frame / 35 mm).
EF-S and EF lenses can be used on EF-M mount cameras with a specific adapter.
|Sensor format||Sensor crop factor|