US 12,306,515 B2
Lens apparatus and image pickup apparatus
Go Shibasaki, Tochigi (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Feb. 7, 2023, as Appl. No. 18/165,552.
Claims priority of application No. 2022-023378 (JP), filed on Feb. 18, 2022.
Prior Publication US 2023/0266644 A1, Aug. 24, 2023
Int. Cl. G03B 17/14 (2021.01)
CPC G03B 17/14 (2013.01) [G03B 2217/007 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A lens apparatus comprising:
a main body configured to house an optical system; and
a mount part detachably mountable to the main body and a camera apparatus,
wherein the mount part includes a first electric contact part that contacts an electric contact part of the camera apparatus and a second electric contact part electrically conductive with the first electric contact part,
wherein the main body comprises an electric substrate and a third electric contact part electrically conductive with the electric substrate,
wherein the second electric contact part and the third electric contact part are in contact with each other by connecting the main body and the mount part to each other,
wherein the mount part is interchangeable with a second mount part having a fourth electric contact part configured to contact an electric contact part of another camera apparatus other than the camera apparatus and a fifth electric contact part which is electrically conductive with the fourth electric contact part,
wherein the fifth electric contact part and the third electric contact part contact with each other by connecting the main body and the second mount part with each other, and
wherein the mount part includes a concave portion so as not to contact the electric contact part of the another camera apparatus.