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Title:
OPTICAL MEMBER CHANGEOVER DEVICE
Document Type and Number:
Japanese Patent JP2019066801
Kind Code:
A
Abstract:
To provide a thin optical member changeover device for selectively inserting an optical member such as optical filter into an optical path of optical equipment.SOLUTION: The optical member changeover device comprises a first optical member and a second optical member, which are disposed on the same plane crossing the optical axis of the optical path. A first movement mechanism is configured to move the first optical member in a direction crossing the optical axis to thereby insert the first optical member in the optical path or evacuate the same from the optical path. A second movement mechanism is configured to move the second optical member in a direction crossing the optical axis to thereby insert the second optical member in the optical path or evacuate the same from the optical path. The first and second movement mechanisms are disposed at both sides of the optical path. The direction that the first optical member evacuates from the optical path and the direction that the second optical member evacuates from the optical path are opposite to each other.SELECTED DRAWING: Figure 7

Inventors:
藤原 裕也
居福 裕貴
Application Number:
JP2017195260A
Publication Date:
April 25, 2019
Filing Date:
October 05, 2017
Export Citation:
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Assignee:
キヤノン株式会社
International Classes:
G03B11/00; H04N5/225
Attorney, Agent or Firm:
別役 重尚