Title:
OPTICAL DEVICE AND IMAGING APPARATUS HAVING THE SAME
Document Type and Number:
Japanese Patent JP2023023377
Kind Code:
A
Abstract:
To provide an optical device advantageous in terms of optical performance.SOLUTION: A lens barrel 10 has a lens 2 that has a concave surface on at least one surface, and a holding member 3 that holds the lens 2. At least part of a fitting area B1 along an optical axis of the holding member 3 to which a side face of the lens 2 is fitted in a radial direction overlaps a rigidity area B2 along the optical axis where the lens 2 continues from the optical axis up to the side face in the radial direction.SELECTED DRAWING: Figure 2
Inventors:
HIRAI YUSUKE
OGURA KYOHIRO
OGURA KYOHIRO
Application Number:
JP2021128855A
Publication Date:
February 16, 2023
Filing Date:
August 05, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
G02B7/02; G03B17/14
Attorney, Agent or Firm:
Okabe
Takao Ochi
Koji Yoshizawa
Aki Honda
Takao Ochi
Koji Yoshizawa
Aki Honda