发明名称 |
Photometering apparatus |
摘要 |
A photometering apparatus having a photometering lens and a light receiver to measure a finder screen of a single lens reflex camera, wherein the photometering lens and the light receiver are arranged so that the focusing screen is substantially conjugate with a light receiving surface of the light receiver, and a transparent optical element is inserted between the photometering lens and the light receiver.
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申请公布号 |
US6014273(A) |
申请公布日期 |
2000.01.11 |
申请号 |
US19980098462 |
申请日期 |
1998.06.17 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
HIRAI, ISAMU;MACHIDA, KATSUKI |
分类号 |
G03B7/099;(IPC1-7):G02B7/02;G03B19/12 |
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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