a first operation member configured to move an optical element along an optical axis direction of an optical axis of the optical element;

a first elastic member configured to transmit a force to the first operation member ;

a pressing member configured to change a force applied to the first elastic member according to the movement along the optical axis direction;

a second operation member configured to move the pressing member along the optical axis direction; and

a fixed element configuring at least a part of an exterior unit,

wherein the pressing member is movably held by the fixed element along the optical axis direction, and the second operation member is rotatably held by the fixed element,

wherein the second operation member comprises a first cylindrical portion configuring a part of the exterior unit, and comprises at least one or more projecting portions formed on the inner diameter side of the first cylindrical portion and projecting in a direction along the optical axis, and

wherein a coupling portion of the fixed element that holds the one or more projecting portions is formed on the inner circumferential side of the fixed element.