US 12,393,101 B2
Control apparatus, lens apparatus, and imaging apparatus
Daisuke Ishikawa, Kanagawa (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Jun. 3, 2022, as Appl. No. 17/832,467.
Claims priority of application No. 2021-096819 (JP), filed on Jun. 9, 2021.
Prior Publication US 2022/0397803 A1, Dec. 15, 2022
Int. Cl. G03B 5/02 (2021.01); H04N 23/55 (2023.01); H04N 23/69 (2023.01)
CPC G03B 5/02 (2013.01) [H04N 23/55 (2023.01); H04N 23/69 (2023.01); G03B 2205/0046 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An apparatus for an optical system including a first magnification varying lens configured to move with zooming, a second magnification varying lens of which a position is controlled based on a position of the first magnification varying lens, and a focus lens configured to adjust an in-focus position, the apparatus comprising:
a detector configured to detect the position of the second magnification varying lens; and
at least one processor and a memory coupled to the at least one processor storing instructions that, when executed by the at least one processor, cause the at least one processor to function as a setting unit configured to set a driving range of the focus lens based on the position of the second magnification varying lens.