发明名称 Taking lens system
摘要 The object of the present invention is to provide a taking lens system that has an exit pupil located at or close to infinity and has a short total length. In order to achieve said object, the present invention comprises, from the object side, a main optical system comprising a first lens unit having a negative refractive power and a second lens unit having a positive refractive power, and a condenser lens that is located between said main optical system and the image plane and has a positive refractive power.
申请公布号 US5872660(A) 申请公布日期 1999.02.16
申请号 US19970822723 申请日期 1997.03.24
申请人 MINOLTA CO., LTD. 发明人 KOHNO, TETSUO;OKADA, TAKASHI
分类号 G02B13/18;G02B15/177;G02B15/22;(IPC1-7):G02B15/14 主分类号 G02B13/18
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