Title:
LENS BARREL AND OPTICAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/131940
Kind Code:
A1
Abstract:
A lens barrel (3) including an optical element (32) provided with a peripheral part having a side surface and a flat bottom surface, has: a first member (31) that positions the side surface along a direction orthogonal to an optical axis; and a second member that positions the bottom surface along the direction of the optical axis . The first and second members are fixed to each other in a state of being positioned along the direction of the optical axis through abutment of an abutment surface of the first member and an abutment surface of the second member with respect to each other.
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Inventors:
MAKITA YASUHIRO (JP)
Application Number:
PCT/JP2020/046883
Publication Date:
July 01, 2021
Filing Date:
December 16, 2020
Export Citation:
Assignee:
CANON KK (JP)
International Classes:
G02B7/02; G03B11/00
Foreign References:
| JP2018097344A | 2018-06-21 | |||
| JP2011048123A | 2011-03-10 | |||
| JP2009122704A | 2009-06-04 |
Attorney, Agent or Firm:
ABE Takuma et al. (JP)
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