发明名称 |
Image-forming optical system |
摘要 |
The present invention is directed to an image-forming optical system. The image-forming optical system according to the present invention contains, in order from an object side: an iris diaphragm; a first lens having a positive refractive power and at least one aspheric surface; and a second lens having a negative refractive power and at least one aspheric surface. In accordance with the present invention, there is provided an image-forming optical system for cameras using an image pickup device that has a small number of lenses to easily realize the compactness and satisfies a requirement for a high optical performance.
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申请公布号 |
US2004257678(A1) |
申请公布日期 |
2004.12.23 |
申请号 |
US20040824583 |
申请日期 |
2004.04.14 |
申请人 |
SAMSUNG TECHWIN CO., LTD. |
发明人 |
KIM JAE-BUM;KIM YOUNG-RAN |
分类号 |
G02B15/16;G02B9/04;G02B13/00;(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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