JPH0431090B2 - - Google Patents

Info

Publication number
JPH0431090B2
JPH0431090B2 JP59066457A JP6645784A JPH0431090B2 JP H0431090 B2 JPH0431090 B2 JP H0431090B2 JP 59066457 A JP59066457 A JP 59066457A JP 6645784 A JP6645784 A JP 6645784A JP H0431090 B2 JPH0431090 B2 JP H0431090B2
Authority
JP
Japan
Prior art keywords
lens group
lens
focal length
component
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP59066457A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60209714A (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP59066457A priority Critical patent/JPS60209714A/ja
Priority to US06/717,651 priority patent/US4650295A/en
Publication of JPS60209714A publication Critical patent/JPS60209714A/ja
Publication of JPH0431090B2 publication Critical patent/JPH0431090B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/177—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a negative front lens or group of lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1445—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative
    • G02B15/144507—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being negative arranged -++-

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP59066457A 1984-04-03 1984-04-03 有限距離用広角変倍レンズ系 Granted JPS60209714A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59066457A JPS60209714A (ja) 1984-04-03 1984-04-03 有限距離用広角変倍レンズ系
US06/717,651 US4650295A (en) 1984-04-03 1985-03-29 Wide angle and variable magnification lens system for finite distance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59066457A JPS60209714A (ja) 1984-04-03 1984-04-03 有限距離用広角変倍レンズ系

Publications (2)

Publication Number Publication Date
JPS60209714A JPS60209714A (ja) 1985-10-22
JPH0431090B2 true JPH0431090B2 (en, 2012) 1992-05-25

Family

ID=13316314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59066457A Granted JPS60209714A (ja) 1984-04-03 1984-04-03 有限距離用広角変倍レンズ系

Country Status (2)

Country Link
US (1) US4650295A (en, 2012)
JP (1) JPS60209714A (en, 2012)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62235916A (ja) * 1986-04-07 1987-10-16 Fuji Photo Film Co Ltd ズ−ムレンズ
US4812021A (en) * 1987-10-07 1989-03-14 Xerox Corporation Wide angle zoom lens
JPH0926544A (ja) * 1995-07-10 1997-01-28 Nikon Corp 顕微鏡用中間鏡筒
JP5418745B2 (ja) * 2008-03-04 2014-02-19 株式会社ニコン 撮影レンズ、及び、この撮影レンズを備えた光学機器
CN103207446A (zh) * 2013-04-23 2013-07-17 中国科学院西安光学精密机械研究所 一种用于微光探测的光学耦合系统
CN104330870B (zh) * 2014-11-04 2016-11-30 中国科学院光电技术研究所 一种用于光刻式三维打印机的高数值孔径成像物镜

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037937A (en) * 1971-10-22 1977-07-26 Canon Kabushiki Kaisha Variable magnification lens system using symmetric lens of variable focal length
JPS491242A (en, 2012) * 1972-04-17 1974-01-08

Also Published As

Publication number Publication date
US4650295A (en) 1987-03-17
JPS60209714A (ja) 1985-10-22

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