发明名称 |
Metering system using a focus detecting optical system |
摘要 |
There is provided a metering system using a focus detecting optical system characterized in that in a light path formed by an optical system for directing a light beam to focus detecting photoelectric transducer means, metering photoelectric transducer means, together with the focus detecting photoelectric transducer means, is disposed to effect the measurement of the brightness of an object as well.
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申请公布号 |
US4488799(A) |
申请公布日期 |
1984.12.18 |
申请号 |
US19830528240 |
申请日期 |
1983.09.01 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
SUZUKI, TAKASHI;HOSOE, KAZUYA |
分类号 |
G03B7/28;G02B7/28;G02B7/38;G03B7/08;G03B7/099;G03B13/36;(IPC1-7):G03B7/08 |
主分类号 |
G03B7/28 |
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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