Assertion: lens's lens mount | /r/HasProperty | the canon ef
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text: The most common interchangeable lens mounts on the market today include the Canon EF, EF-S and EF-M autofocus lens mounts, the Nikon F manual and autofocus mounts, the Olympus/Kodak Four Thirds and Olympus/Panasonic Micro Four Thirds digital-only mounts, the Pentax K mount and autofocus variants, the Sony Alpha mount (derived from the Minolta mount) and the Sony E digital-only mount.