An optical connector (10), in particular for outside use, for detachably connecting at least two optical cables along a connector axis (43) comprises a socket portion (11) and a plug portion (27), which portions are substantially of cylindrical design with respect to the connector axis (43), can be detachably plugged into one another along the connector axis (43) and can be locked in the plugged-in state. A locking mechanism (19, 20, 32, 33, 36, 46), which is equipped with a latch function and which latches automatically during insertion is provided for the purposes of rapid locking.