MECHANISM FOR IMPLEMENTING A PURPOSE BARREL.

摘要

Lens barrel operating mechanism equipped with a fixed ring (25) coaxial with an optical axis, comprising an operating ring (26) arranged on the external surface of the fixed ring (25) so as to be able to move rectilinear in the direction of the optical axis of said fixed ring (25) and rotate around the optical axis, and provided with an annular groove formed on its inner circumferential surface, with a sliding element carrying a roller placed in the annular groove and able to move in the same direction, in mutual locking with the operating ring (26) in the direction of the optical axis, and with a click mechanism arranged between the sliding element and the fixed ring ( 25), and providing the operator with a click feeling at each of the end-of-travel positions in the range of movement of the maneuvering ring (26).