发明名称 Control device for exposure-with-zooming photography
摘要 In the camera having a zoom lens with an automatic operating mechanism therefor, a device for controlling co-ordination of the mechanism with a shutter, comprises an exposure-with-zooming actuator arranged upon first stroke to actuate the mechanism so that the zoom lens is set in one of the terminal ends of movement thereof, and upon second stroke to initiate a zooming operation of the zoom lens by the mechanism, and control means responsive to start of the zooming for initiating an exposure operation of the shutter to a photographic film.
申请公布号 US4731629(A) 申请公布日期 1988.03.15
申请号 US19860847205 申请日期 1986.04.02
申请人 CANON KABUSHIKI KAISHA 发明人 AOSHIMA, CHIKARA;SHIOMI, YASUHIKO
分类号 G02B7/10;G03B3/10;G03B5/00;G03B15/00;G03B17/38;(IPC1-7):G03B3/10 主分类号 G02B7/10
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