FujiFilm XF50-140mmF2.8 R LM OIS WR Mode D'emploi page 18

The Tripod Collar Foot
To attach the tripod collar foot, align the
mounting mark on the foot with the lens rotat-
ing position index and tighten the tripod foot
mounting screw.
To rotate the camera from landscape to por-
trait orientation or back again without tak-
ing it off the tripod, loosen the tripod collar
lock screw.
Q Tighten the screw securely to prevent the camera rotating un-
expectedly.
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