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Patent Searching and Data


Title:
LENS DEVICE AND IMAGING APPARATUS
Document Type and Number:
Japanese Patent JP2021009194
Kind Code:
A
Abstract:
To provide a lens device having an advantage in forward extension of a lens barrel which is closest to an object side.SOLUTION: A lens device includes: a fixed barrel 70 having a first cam along an optical axis; a cam barrel 71 that has a second cam and is rotatably held by the fixed barrel around an optical axis; an outer covering barrel 53 arranged outside the fixed barrel and the cam barrel; a lens barrel that is held by the fixed barrel in an extendable way along the first cam with the second cam of the cam barrel which rotates and is closest to an object side; and a cylindrical member 16 that is mounted to the lens barrel, has an axis along the optical axis, and moves in a gap between the outer covering barrel and the fixed barrel or the cam barrel by extension.SELECTED DRAWING: Figure 3

Inventors:
KAI TAKAHIKO
Application Number:
JP2019121944A
Publication Date:
January 28, 2021
Filing Date:
June 28, 2019
Export Citation:
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Assignee:
CANON KK
International Classes:
G02B7/04; G02B7/02; G03B17/02; G03B17/04; G03B17/14
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa