Exposure information indicating device

Details Exposure information indicating device Exposure information indicating device

1979-02-09

1981-04-21

Hix, L. T.

Optics: measuring and testing

Range or remote distance finding

With photodetection

354 60L, 356226, G03B 1718, G01J 144

Patent

active

042629977

ABSTRACT:
An exposure information indicating device for use in photography includes a detecting section for detecting various known information values such as brightness or luminance of an object and film sensitivity represented by ASA number, a calculating section for calculating an unknown exposure information value such as f/stop number and a display section for digitally displaying the calculated value.

REFERENCES:
patent: 3895875 (1975-07-01), Kitaura et al.
patent: 3909137 (1975-09-01), Kisanuki
patent: 4135795 (1979-01-01), Uno et al.

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