US 12,149,806 B2
Image pickup apparatus that can suppress a focus position shift caused by temperature changes
Nobuyuki Saito, Kanagawa (JP); and Kosuke Nozaki, Chiba (JP)
Assigned to CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Dec. 12, 2022, as Appl. No. 18/064,408.
Claims priority of application No. 2021-205128 (JP), filed on Dec. 17, 2021.
Prior Publication US 2023/0199288 A1, Jun. 22, 2023
Int. Cl. H04N 23/52 (2023.01); H04N 23/54 (2023.01); H04N 23/55 (2023.01)
CPC H04N 23/52 (2023.01) [H04N 23/54 (2023.01); H04N 23/55 (2023.01)] 6 Claims
OG exemplary drawing
 
1. An image pickup apparatus comprising:
a sensor unit including an image sensor;
a lens unit including a plurality of lenses and a lens frame that holds the plurality of lenses;
a housing configured to hold the sensor unit and the lens unit;
a connecting member configured to connect the lens frame and the housing;
a cover member configured to cover part of a first lens disposed furthest to the image sensor among the plurality of lenses; and
an elastic member disposed between the first lens and the cover member,
wherein a thermal expansion coefficient of the connecting member is larger than a thermal expansion coefficient of each of the housing and the lens frame,
wherein the lens frame includes a first lens holding portion configured to hold the first lens, and
wherein a connecting position between the connecting member and the lens frame is disposed on the image sensor side of each of a connecting position between the housing and the connecting member and a position of the first lens holding portion.