专利内容由知识产权出版社提供
专利名称：Image pick-up lens system发明人：Wen-Hsin Sun申请号：US11454490申请日：20060616
公开号：US20070070234A1公开日：20070329
专利附图：
摘要：A image pick-up lens system includes: a first lens with positive diffractive power,a second lens with negative diffractive power, a third lens with positive diffractive power,and a fourth lens with negative diffractive power. The first lens, the second lens, the thirdlens and the fourth lens are aligned in that order from an object side to an image side,
and each of the four lenses is an aspheric lens made from a plastic material.
申请人：Wen-Hsin Sun
地址：Tu-Cheng TW
国籍：TW
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