Title:
レンズ装置及び撮像装置
Document Type and Number:
Japanese Patent JP7155036
Kind Code:
B2
Abstract:
A lens apparatus that can secure a necessary lens moving distance while avoiding growing in size and that is able to firmly hold a lens. The lens apparatus comprises a first lens group holding member, a second lens group holding member, an exterior cylinder disposed on an outer peripheral side of the first lens group holding member, a first cam cylinder disposed to be rotatable around an optical axis and movable in an optical axis direction corresponding to a rotation angle, a guide cylinder having a diameter fitting portion rotatably holding the first cam cylinder around the optical axis, and a second cam cylinder. The exterior cylinder does not have a cam groove or a guide groove for guiding another member, and is driven to a position at which part of the exterior cylinder is exposed to an outside corresponding to a rotation angle of the second cam cylinder.
Inventors:
Taiki Ito
Application Number:
JP2019026684A
Publication Date:
October 18, 2022
Filing Date:
February 18, 2019
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B7/04; G03B17/14
Domestic Patent References:
| JP201485482A | ||||
| JP2015230422A |
Foreign References:
| US5587843 |
Attorney, Agent or Firm:
Another role
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