Lens apparatus
AssigneeCanon Kabushiki Kaisha
InventorKentaro Takano
Life of this patent
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Abstract
Provided is a lens apparatus including: a lens barrel; a fixed stopper fixed to the lens barrel; an optical unit moving in a direction of an optical axis relative to the lens barrel; a cylindrical grooved cam which includes a stopper restrictor and is held in the lens barrel to be rotatable about a rotation axis parallel to the optical axis, for restricting movement of the optical unit in the direction of the optical axis; and a movable stopper which is movable within a limit of the stopper restrictor, in which the movable stopper is in contact with the stopper restrictor and the fixed stopper to restrict a rotation range of the cylindrical grooved cam.
Claims10
A lens apparatus, comprising:
- a lens barrel;
- a fixed stopper fixed to the lens barrel;
- an optical unit moving in a direction of an optical axis relative to the lens barrel;
- a cylindrical grooved cam which includes a stopper restrictor and is held in the lens barrel to be rotatable about a rotation axis parallel to the optical axis, for restricting movement of the optical unit in the direction of the optical axis;
- and
- a movable stopper which is movable within a range of the stopper restrictor,
- wherein the movable stopper is in contact with the stopper restrictor and the fixed stopper to restrict a rotation range of the cylindrical grooved cam.
Dependencies are inferred from the claim text.