发明名称 Image Pickup Lens and Image Pickup Apparatus
摘要 Provided is an image pickup lens composed of three lens elements and an image pickup apparatus using the same, where the image pickup lens has satisfactorily corrected aberrations despite being smaller in size than conventional image pickup lenses. As image pickup lens includes, in order from the object side, an aperture stop, a first lens, a second lens, and a third lens. The first lens is a positive lens and is a meniscus lens having a convex surface facing the object side and a concave surface facing the object side, and the third lens is a negative lens. The image pickup lens satisfies conditional expressions relating to an air gap between the second and third lenses, a focal length of the second lens, and a curvature radius of the object-side surface of the second lens.
申请公布号 US2012206639(A1) 申请公布日期 2012.08.16
申请号 US201013501678 申请日期 2010.10.06
申请人 MATSUI KAZUKI;FUKUTA YASUNARI 发明人 MATSUI KAZUKI;FUKUTA YASUNARI
分类号 H04N5/225;G02B9/12;G02B13/18 主分类号 H04N5/225
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