发明名称 Super wide angle zoom lens
摘要 A super wide angle zoom lens includes a first lens group of negative power and a rear lens group of positive power, in this order from the object side, so that zooming may be carried out by relatively moving the first lens group and the rear lens group. The zoom lens has, at a wide angle extremity thereof, a half angle of view of more than 60 DEG , which constitutes a half angle of view of a fisheye lens.
申请公布号 US5724193(A) 申请公布日期 1998.03.03
申请号 US19950546960 申请日期 1995.10.23
申请人 ASAHI KOGAKU KOGYO KABUSHIKI KAISHA 发明人 HIRAKAWA, JUN
分类号 G02B15/20;G02B15/16;G02B15/177;(IPC1-7):G02B15/14 主分类号 G02B15/20
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