Viewfinder system and single-lens reflex camera having the same

Details Viewfinder system and single-lens reflex camera having the same Viewfinder system and single-lens reflex camera having the same

1997-12-08

1999-04-13

Gray, David M.

Photography

Eye tracking

396296, 396386, G03B 1700

Patent

active

058936505

ABSTRACT:
A viewfinder system adapted for a single-lens reflex camera includes an optical system which guides light from an object to a viewer, a display part which displays information in a visual field of the optical system, a light combining member which is disposed in an optical path of the optical system and combines the light from the object with the information displayed by the display part, the light combining member having spectral transmission characteristics which differ with angles of incidence of light, and a correction member for keeping a spectral transmission characteristic of the entirety of the optical system substantially constant irrespectively of the angles of incidence of light on the light combining member.

REFERENCES:
patent: 5485241 (1996-01-01), Irie et al.
patent: 5754900 (1998-05-01), Suda

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