发明名称 |
Zoom lens for an electronic camera. |
摘要 |
<p>A zoom lens is described for an electronic camera for still pictures, comprising a front group (G1), a variator group (G2) and a main group (G4). The lens is designed in such a manner that the sum of the spherical aberrations of the front group and the variator group is constant throughout the zoom range and is adapted to that of the main group.</p> |
申请公布号 |
EP0278126(A1) |
申请公布日期 |
1988.08.17 |
申请号 |
EP19870202643 |
申请日期 |
1987.12.29 |
申请人 |
N.V. PHILIPS' GLOEILAMPENFABRIEKEN |
发明人 |
BRAAT, JOSEPHUS JOHANNES MARIA;SMID, ALBERT |
分类号 |
G02B15/167;G02B15/16;(IPC1-7):G02B15/16 |
主分类号 |
G02B15/167 |
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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