View finder

Details View finder View finder

1997-10-28

1999-12-14

Metjahic, Safet

Photography

Exposure control circuit

Viewfinder light compensation

396296, 396373, G03B 1310

Patent

active

060028874

ABSTRACT:
In a view finder having an objective lens, an indicator is provided in the vicinity of an image forming position of the objective lens. The indicator includes a liquid crystal cell having a pair of spaced first and second glass substrates with transparent electrodes. A transparent macromolecular substance having a liquid crystal dispersed therein is enclosed in the space between the first and second glass substrates. An eyepiece is provided through which an image formed by the objective lens can be viewed. Light sources are provided along side surfaces of the indicator to emit and make light incident upon the indicator.

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Electro-Optical Devices and Systems by Karim, Mohammad A., PWS-KENT Publishing Co., pp. 273-278, 294-303, 1990.

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