发明名称 |
Metering device of a camera |
摘要 |
A metering device of a camera comprises first metering means for effecting metering while dividing an object into a plurality of areas and producing a first metering output which determines the exposure of the object on the basis of a plurality of photoelectric outputs corresponding to the areas, second metering means for metering the central partial area of the object and producing a second metering output corresponding to the partial area, an operating member operated by the operator to stop down the stop of a photo-taking lens which is in its open condition to a preset aperture value, and change-over means including means responsive to the operating member and selecting the first metering output when the stop of the photo-taking lens is in its open condition and selecting the second metering output when the stop has been stopped down to the preset aperture value.
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申请公布号 |
US4561752(A) |
申请公布日期 |
1985.12.31 |
申请号 |
US19840629897 |
申请日期 |
1984.07.11 |
申请人 |
NIPPON KOGAKU K.K. |
发明人 |
MIYAMOTO, HIDENORI;SAEGUSA, TAKASHI |
分类号 |
G03B7/08;G03B7/099;G03B7/28;(IPC1-7):G03B7/08 |
主分类号 |
G03B7/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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