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 […]
A twist-lock mechanism used almost universally for mounting lenses on camera bodies. You line up two dots, one on the lens barrel and one on the camera body and insert the lens, then twist the lens in the mount until it locks into place. The lens is released again by pressing a button on the camera body to release a catch, then twisting and removing it.