1983-06-02
1985-07-16
Hix, L. T.
354425, 354472, 354474, G03B 7093
Patent
active
045292892
ABSTRACT:
A camera includes an entry member which commands spotwise photometric means to effect the entry of spotwise brightness value or values of an object being photographed. A spotwise photometric mode is selected in response to a first operation of the entry member, and the entry of a spotwise brightness value or values occurs in response to a second and subsequent operation of the entry member. Spotwise brightness values and a result of an arithmetic operation performed thereon are nullified in response to the completion of a photographing operation in the spotwise photometric mode while maintaining the spotwise photometric mode. Exposure factors used when controlling an exposure by an automatic exposure control means are stored, thereby enabling a photographing operation or operations to be repeated under the same exposure level as that used during a previous photographing operation, by utilizing such exposure factors.
REFERENCES:
patent: 4103307 (1978-07-01), Shinoda et al.
patent: 4453811 (1984-06-01), Yamasaki
Tsunefuji Katsuhiko
Yamasaki Masafumi
Gray David M.
Hix L. T,.
Olympus Optical Company Ltd.
Weinstein Louis
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