发明名称 Photographing apparatus having a trimming photographic mode
摘要 A photographing apparatus having at least two modes, i.e., a first mode for setting and photographing a first photographing area of a photographing area photographed by a photo-taking optical system, and a second mode for setting and photographing a second photographing area smaller than the first photographing area. The apparatus has in succession from the object side a first lens unit and a second lens unit. The first lens unit comprises a positive lens of positive refractive power and a negative lens of negative refractive power, and the second lens unit comprises a positive lens. The spacing between the first lens unit and the second lens unit is varied during the changeover between the first mode and the second mode.
申请公布号 US5392082(A) 申请公布日期 1995.02.21
申请号 US19940236147 申请日期 1994.05.02
申请人 CANON KABUSHIKI KAISHA 发明人 IKEMORI, KEIJI;KOYAMA, TAKESHI
分类号 G03B17/24;(IPC1-7):G03B1/18 主分类号 G03B17/24
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