Patent ID: 11934031
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A lens apparatus comprising:
a first holding member configured to hold a lens unit;
a base member including an adhesive holding portion opened in an optical axis direction of the lens unit to hold an adhesive, the base member being provided on an outer periphery side of the first holding member;
an annular member arranged inside the base member to protrude at least in part from a position corresponding to an outer peripheral surface of the first holding member toward an inner peripheral surface of the base member and arranged to surround an optical axis;
a second holding member configured to hold the first holding member; and
an adjustment unit configured to adjust at least either one of a relative position and orientation of the first holding member with respect to the base member,
wherein the annular member is a different member from the first holding member, and is sandwiched and fixed between the first holding member and the second holding member,
wherein the base member and the second holding member are bonded by the adhesive, and
wherein the annular member is configured to suppress the adhesive from flowing into an interior of the base member.