专利内容由知识产权出版社提供
专利名称:IMAGE PICKUP LENS, IMAGE PICKUP DEVICE
AND MOBILE TERMINAL
发明人:SANO EIGO申请号:EP09760451申请日:20090708公开号:EP2442166A4公开日:20140319
摘要:To provide an image pickup lens with a five-lens structure characterized byvarious forms of aberrations corrected to a satisfactory level despite the compact design,and to provide a compact high-performance image pickup apparatus and portableterminal using this image pickup lens, this image pickup lens includes a first positive lens(focal distance: f1) having the convex surface facing the object side, a second negativelens having the concave surface facing the image side, a third positive lens (focal distance:f3) having the convex surface facing the image side, a fourth positive meniscus lens havingthe convex surface facing the image side, and a fifth negative lens having the concavesurface facing the image side, arranged in that order as viewed from the object side. Thesurface of the fifth lens on the image side is aspherical, and an inflection point is locatedat a position other than the intersection point with the optical axis. The aperture stop islocated closer to the image than the first lens, and the conditional expression (1) is met:0.8
申请人:KONICA MINOLTA OPTO, INC.
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