发明名称 Rear stop type zoom lens
摘要 A compact rear stop type zoom lens suitable for use with a camera having an electronically controlled shutter. The rear stop type zoom lens is comprised of two lens groups which effect variation in magnification when moved in opposite directions on the optical axis of the entire lens.
申请公布号 US4294521(A) 申请公布日期 1981.10.13
申请号 US19790071042 申请日期 1979.08.30
申请人 FUJI PHOTO OPTICAL CO., LTD. 发明人 DOI, YOSHIKAZU;SAKAI, YUTAKA;OHNO, KAZUNORI
分类号 G02B13/04;G02B15/16;G02B15/177;G02B15/20;(IPC1-7):G02B15/16 主分类号 G02B13/04
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