US 12,443,092 B2
Lens device
Nobuyuki Kondo, Saitama (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Sep. 27, 2022, as Appl. No. 17/935,859.
Claims priority of application No. 2021-177663 (JP), filed on Oct. 29, 2021.
Prior Publication US 2023/0140724 A1, May 4, 2023
Int. Cl. G03B 17/14 (2021.01); G03B 5/00 (2021.01)
CPC G03B 17/14 (2013.01) [G03B 5/00 (2013.01); G03B 2205/0046 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A lens device comprising:
a lens barrel;
a first operation ring that is provided on an outer periphery of the lens barrel and that is rotationally operated along a circumferential direction of the lens barrel; and
a structure that generates, with respect to the first operation ring, a force in a direction opposite to a direction in which the first operation ring is operated, wherein the structure includes a cam pin that is supported to be movable along an optical axis direction and fitted into a cam groove provided at the first operation ring, and a spring that biases the cam pin in the optical axis direction,
wherein the first operation ring and the structure are disposed closer to an image side than a position of a stop disposed in the lens barrel.