发明名称 Taking lens and camera equipped with the same
摘要 A taking lens consisting of a positive power single lens element positioned behind an aperture stop of a photographic camera having an image format of 16.7x30.2 mm, and having an object side surface which includes an annular marginal section surrounding a core section defined by an effective aperture thereof. The taking lens satisfies the following conditions:Dr<1.0Dc<0.75Ds<3.0where Dr is the radial width of the annular margin; Dc is the thickness of the core section in an extension of a straight line connecting the outer periphery of the core section and the center of curvature of an image side surface of the single lens element; and Ds is the air space between the image side surface and the aperture stop.
申请公布号 US6052233(A) 申请公布日期 2000.04.18
申请号 US19980123479 申请日期 1998.07.28
申请人 FUJI PHOTO FILM CO., LTD. 发明人 KOIKE, KAZUMI
分类号 G03C3/00;G02B3/00;G02B9/02;G03B19/04;(IPC1-7):G02B3/00 主分类号 G03C3/00
代理机构 代理人
主权项
地址