发明名称 |
Lens control device. |
摘要 |
<p>A lens control device comprising a variator lens, a compensation lens for compensating for the displacement of the focal plane associated with the movement of the variator lens, a conversion lens disposed in an optical path in a detachable manner for limiting the area of the movement of the variator lens, and correction means for modifying the area of the movement of the compensation lens in response to the mounting of the conversion lens. <IMAGE></p> |
申请公布号 |
EP0677760(A2) |
申请公布日期 |
1995.10.18 |
申请号 |
EP19950302346 |
申请日期 |
1995.04.10 |
申请人 |
CANON KABUSHIKI KAISHA |
发明人 |
OHKAWARA, HIROTO, C/O CANON KABUSHIKI KAISHA;TANAKA, TAEKO, C/O CANON KABUSHIKI KAISHA |
分类号 |
G02B7/10;H04N5/225;H04N5/232;(IPC1-7):G02B7/10;G02B15/10 |
主分类号 |
G02B7/10 |
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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