Title:
LENS DEVICE AND IMAGING APPARATUS
Document Type and Number:
Japanese Patent JP2021009193
Kind Code:
A
Abstract:
To provide a lens device having an advantage in shock resistance.SOLUTION: A lens device includes: a fixed barrel 70 having a first cam along an optical axis; a first cam barrel 71 that has a second cam and is rotatably held by the fixed barrel around an optical axis; a first lens barrel that has a third cam along the optical axis, is movably held by the fixed barrel along the first cam with the second cam of the first cam barrel which rotates, and is closest to an object side; a second cam barrel that has a fourth cam and is rotatably held by the first lens barrel around the optical axis; a second lens barrel movably held by the first lens barrel along the third cam with the fourth cam of the second cam barrel which rotates; and a regulation member for regulating a position of the second cam barrel relative to the first lens barrel in a direction of the optical axis. An outer surface of the first lens barrel includes a first engagement part for engaging with an inner surface of the fixed barrel. An outer surface of the regulation member includes a second engagement part for engaging an inner surface of the fixed barrel.SELECTED DRAWING: Figure 3
Inventors:
KAI TAKAHIKO
Application Number:
JP2019121943A
Publication Date:
January 28, 2021
Filing Date:
June 28, 2019
Export Citation:
Assignee:
CANON KK
International Classes:
G02B7/04; G02B7/02; G02B7/08; G03B17/02; G03B17/14
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa