发明名称 Photographing optical lens assembly
摘要 The present invention provides a photographing optical lens assembly comprising, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface and a concave image-side surface; a second lens element with negative refractive power having a concave object-side surface and a convex image-side surface, the object-side and image-side surfaces thereof being aspheric; and a third lens element with negative refractive power having a convex object-side surface and a concave image-side surface, the object-side and image-side surfaces thereof being aspheric and at least one inflection point being formed on the image-side surface, wherein the lens assembly is further provided with a stop disposed between an object and the first lens element.
申请公布号 US8000033(B1) 申请公布日期 2011.08.16
申请号 US20100952344 申请日期 2010.11.23
申请人 LARGAN PRECISION CO., LTD. 发明人 TANG HSIANG CHI;TSAI TSUNG HAN
分类号 G02B3/02;G02B13/18 主分类号 G02B3/02
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