| 发明名称 |
Two element plastic zoom camera lens |
| 摘要 |
A zoom camera lens for an inexpensive camera, for example, a single use camera, has two plastic elements including a positive element and a negative element and a stop. Each of the surfaces of each of the elements is concave to the stop. Preferably, the lens has a curved image plane.
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| 申请公布号 |
US5473473(A) |
申请公布日期 |
1995.12.05 |
| 申请号 |
US19930170943 |
申请日期 |
1993.12.20 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
ESTELLE, LEE R.;LEWIS, ALAN E. |
| 分类号 |
G02B15/16;G02B15/177;(IPC1-7):G02B15/14 |
主分类号 |
G02B15/16 |
| 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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