Real image finder system for a camera

Details Real image finder system for a camera Real image finder system for a camera

1997-05-16

1998-05-12

Gray, David M.

Photography

Having camera indicator

Having display in viewfinder

396386, G03B 1308

Patent

active

057521077

ABSTRACT:
A real image finder system of a camera has an objective lens, an eyepiece lens and deflecting system. The deflecting system includes an erecting system positioned between the objective lens and the eyepiece lens. The finder system also includes an LCD panel that is located on an image plane of the objective lens with the LCD panel displaying information which is viewed through the eyepiece lens. A first polarizer is positioned between the objective lens and the LCD panel while a second polarizer is positioned between the LCD panel and the eyepiece lens. The first and second polarizers are arranged such that their transmission axes are perpendicular to each other. Further at least one optical component of the deflecting system is located between the first polarizer and the second polarizer.

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patent: 4972216 (1990-11-01), Ueda et al.
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patent: 5148202 (1992-09-01), Yoshida
patent: 5363163 (1994-11-01), Hayashi et al.
patent: 5406399 (1995-04-01), Koike
patent: 5537184 (1996-07-01), Hasushita et al.
United Kingdom Search Report issued Feb. 5, 1996.

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