Device for focusing zoom lens

  • Inventors:
  • Assignees: Asahi Optical Co Ltd
  • Publication Date: October 30, 1979
  • Publication Number: JP-S54139724-A

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Cited By (12)

    Publication numberPublication dateAssigneeTitle
    DE-3844239-A1July 27, 1989Asahi Optical Co LtdKompaktes zoom-linsensystem mit hohem zoom-verhaeltnis und weitem blickfeld
    DE-3844239-C2October 17, 1996Asahi Optical Co LtdVarioobjektiv
    JP-H0145603-B2October 04, 1989Nippon Kogaku Kk
    JP-H021692-AJanuary 05, 1990Hitachi LtdAuto-focus device for video camera
    JP-H044563-B2January 28, 1992
    JP-H0541828-AFebruary 19, 1993Hitachi Ltd, 株式会社日立製作所ビデオカメラのフオーカス装置
    JP-S57186872-ANovember 17, 1982Hitachi LtdAuto-focusing device of video camera
    JP-S5764202-AApril 19, 1982Nippon Kogaku Kk Macrozoom lens barrel
    JP-S5957208-AApril 02, 1984Tamuron:KkZoom lens
    JP-S60114813-AJune 21, 1985Tamuron:KkClose photographing-enabled zoom lens
    US-4917482-AApril 17, 1990Asahi Kogaku Kogyo Kabushiki KaishaCompact zoom lens system capable of high zoom ratio and having coverage of a wide visual field
    US-4952039-AAugust 28, 1990Asahi Kogaku Kogyo Kabushiki KaishaMacro-adapted zoom lens system capable of high zoom ratio while covering wide angles