发明名称 Image Pickup Lens, Image Pickup Unit, and Mobile Terminal
摘要 An image pickup lens includes, in order from an object side thereof: a first lens in a meniscus shape having a positive refractive power and including a convex surface facing the object side; a second lens having a negative refractive power and including a concave surface facing an image side of the image pickup lens; a third lens in a meniscus shape having a positive refractive power and including a convex surface facing the image side; and a fourth lens having a negative refractive power and including a concave surface facing the image side, where at least one surface of the fourth lens is in an aspheric shape. The image pickup lens satisfies a predetermined condition relating to a composite focal length of the first lens and the second lens, and a focal length of a total system of the image pickup lens.
申请公布号 US2009290234(A1) 申请公布日期 2009.11.26
申请号 US20090467980 申请日期 2009.05.18
申请人 KONICA MINOLTA OPTO, INC. 发明人 SANO EIGO;KAWASAKI TAKASHI
分类号 G02B3/02 主分类号 G02B3/02
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