| 发明名称 |
Light measuring instrument for a single lens reflex camera |
| 摘要 |
A light measuring instrument for a single lens reflex camera, whose light measurement distribution can be changed easily, includes two light sensing elements with different light measuring ranges, whereby the desired light measuring distribution can be obtained by changing the outputs of the two light sensing elements.
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| 申请公布号 |
US4455071(A) |
申请公布日期 |
1984.06.19 |
| 申请号 |
US19820339701 |
申请日期 |
1982.01.15 |
| 申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
KATO, MASATAKE;TSUNEKAWA, TOKUICHI |
| 分类号 |
G03B7/099;G03B7/083;(IPC1-7):G03B7/08 |
主分类号 |
G03B7/099 |
| 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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