Incident light filter for cameras

Details Incident light filter for cameras Incident light filter for cameras

1983-03-24

1984-09-25

Perkey, William B.

354295, 350314, G03B 1100, G02B 522

Patent

active

044732899

ABSTRACT:
Presented in several different aspects is an incident light filter or cap assembly adapted to be attached over the lens of a camera for the purpose of permitting adjustment of the camera controls in view of the incident light conditions that exist at the time the picture is taken.

REFERENCES:
patent: 2612817 (1952-10-01), Willcox
patent: 4381890 (1983-05-01), Wallace
patent: 4391521 (1983-07-01), Imai et al.

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