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Patent Searching and Data


Title:
An imaging device which has a finder light study system and it
Document Type and Number:
Japanese Patent JP6103985
Kind Code:
B2
Abstract:
A finder optical system includes an erecting optical system, an eyepiece optical system, and a light metering optical system. An optical axis of the light metering optical system is non-parallel to an optical axis of the eyepiece optical system. The light metering optical system includes a first lens having positive refractive power and a second lens having negative refractive power in this order from a side of the erecting optical system to a side of an image sensor, and the second lens is a prism body reflecting a light flux incoming from an incident surface off an inner reflection surface and outputting the light flux from a light outputting surface.

Inventors:
Yuichi Kosaka
Application Number:
JP2013035913A
Publication Date:
March 29, 2017
Filing Date:
February 26, 2013
Export Citation:
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Assignee:
Canon Inc
International Classes:
G02B13/00; G02B13/18; G03B7/0997; G03B13/06
Domestic Patent References:
JP200088642A
JP2008309998A
JP6374042A
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa