| 发明名称 |
OPTICAL PATH EXTENSION DEVICE WITH FOCUS DETECTION FUNCTION |
| 摘要 |
PURPOSE:To provide a common camera with an easy and accurate focusing finder by fitting an optical path extension device with a focus detecting function between camera body and photographic lens. |
| 申请公布号 |
JPS5428133(A) |
申请公布日期 |
1979.03.02 |
| 申请号 |
JP19770093796 |
申请日期 |
1977.08.04 |
| 申请人 |
CANON KK |
发明人 |
KINOSHITA TAKAO |
| 分类号 |
G03B13/36;G02B7/28;G03B3/00 |
主分类号 |
G03B13/36 |
| 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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