SLRs and mirrorless cameras take interchangeable lenses, but the fitting, or ‘lens mount’, varies from one brand to another, so can’t usually use one brand of lenses on another brand of camera. Independent third-party lens makers offer their lenses in two, three or more different lens mounts to fit different camera brands, but lenses made […]
EF-M mount (Canon)
This is the lens mount used by Canon's APS-C format mirrorless EOS M cameras. It's different to the EF/EF-S mount used by Canon DSLRs with a short flange (lens to sensor) distance and a different fitting.