Photometric mode switching apparatus for cameras of automatic ex

Details Photometric mode switching apparatus for cameras of automatic ex Photometric mode switching apparatus for cameras of automatic ex

1981-09-15

1983-09-06

Adams, Russell E.

354 59, 354289, G03B 708

Patent

active

044025874

ABSTRACT:
A photometric mode switching apparatus for a camera of the automatic exposure control type includes a first switch which is used to select a particular photometric mode, and a second switch which is interlocked with a storage switch contained in a spotwise photometry circuit. Unless the two switches are operated to establish a spotwise photometric mode, the camera is caused to operate in the average photometric mode.

REFERENCES:
patent: 3973266 (1976-08-01), Kakunodate et al.
patent: 4075640 (1978-02-01), Ueda et al.
patent: 4322142 (1982-03-01), Kawamura et al.

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