Title:
OPTICAL INSTRUMENT AND CAMERA SYSTEM
Document Type and Number:
Japanese Patent JP2021128316
Kind Code:
A
Abstract:
To solve the problem in which: in a structure in which a notch is provided in a focus component and an actuator is accommodated in the notch, a reduction in rigidity occurs.SOLUTION: In order to solve the above-mentioned problem, the invention of the present application comprises: a lens; a cam barrel that rotates on an optical axis; an actuator that is arranged on an inner peripheral side of the cam barrel; moving means that is arranged on the inner peripheral side of the cam barrel and moves the lens in an optical axis direction; and adjustment means that is arranged on the inner peripheral side of the cam barrel and adjusts the position of the lens. In a circumferential direction of the cam barrel, the moving means, the adjustment means, and the actuator are arranged in different phases from each other, and the widths in the optical axis direction of the moving means, the adjustment means, and the actuator are overlapped with each other.SELECTED DRAWING: Figure 8
Inventors:
OGAWA TOSHIHIRO
IZUMI MITSUHIRO
IZUMI MITSUHIRO
Application Number:
JP2020024749A
Publication Date:
September 02, 2021
Filing Date:
February 17, 2020
Export Citation:
Assignee:
CANON KK
International Classes:
G02B7/04; G02B7/02; G03B9/06; G03B17/02; G03B17/14
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa