Exposure indicating device

Details Exposure indicating device Exposure indicating device

1979-08-27

1982-01-05

Franklin, Lawrence R.

Optics: measuring and testing

Range or remote distance finding

With photodetection

354 60A, 354 60L, 356222, 356226, G03B 708, G03B 1718, G01J 142

Patent

active

043090907

ABSTRACT:
An exposure indicating device indicates at the same time a result of average light measurement which measures a light level of a substantial portion of a scene to be photographed, and a result of spot light measurement which measures a brightness at a small portion of the scene. One of the values of the average and spot light measurements is displayed numerically to indicate its absolute value, while the other is displayed as a deviation from the former value.

REFERENCES:
patent: 3884584 (1975-05-01), Tsonekawa et al.
patent: 4176955 (1979-12-01), Yamada et al.

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