JPS5778514A - Zoom lens system - Google Patents

Zoom lens system

Info

Publication number
JPS5778514A
JPS5778514A JP55154051A JP15405180A JPS5778514A JP S5778514 A JPS5778514 A JP S5778514A JP 55154051 A JP55154051 A JP 55154051A JP 15405180 A JP15405180 A JP 15405180A JP S5778514 A JPS5778514 A JP S5778514A
Authority
JP
Japan
Prior art keywords
group
lens
fixed
variator
compensator
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.)
Granted
Application number
JP55154051A
Other languages
English (en)
Other versions
JPH0125044B2 (ja
Inventor
Hisayuki Masumoto
Masaichi Shimomura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
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 by Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP55154051A priority Critical patent/JPS5778514A/ja
Priority to US06/318,144 priority patent/US4492437A/en
Publication of JPS5778514A publication Critical patent/JPS5778514A/ja
Publication of JPH0125044B2 publication Critical patent/JPH0125044B2/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
    • 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
    • G02B15/143—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 three groups only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP55154051A 1980-11-04 1980-11-04 Zoom lens system Granted JPS5778514A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55154051A JPS5778514A (en) 1980-11-04 1980-11-04 Zoom lens system
US06/318,144 US4492437A (en) 1980-11-04 1981-11-04 Zoom lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55154051A JPS5778514A (en) 1980-11-04 1980-11-04 Zoom lens system

Publications (2)

Publication Number Publication Date
JPS5778514A true JPS5778514A (en) 1982-05-17
JPH0125044B2 JPH0125044B2 (ja) 1989-05-16

Family

ID=15575833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55154051A Granted JPS5778514A (en) 1980-11-04 1980-11-04 Zoom lens system

Country Status (1)

Country Link
JP (1) JPS5778514A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5913212A (ja) * 1982-07-14 1984-01-24 Canon Inc ズ−ムレンズ
JPS5955538U (ja) * 1982-10-05 1984-04-11 住友ベークライト株式会社 医療用複合チユ−ブ
JPS59129818A (ja) * 1983-01-18 1984-07-26 Canon Inc ズ−ムレンズのフオ−カス方法
JPS6243615A (ja) * 1985-08-22 1987-02-25 Canon Inc 大口径比のズ−ムレンズ
WO2013099210A1 (ja) * 2011-12-27 2013-07-04 富士フイルム株式会社 ズームレンズおよび撮像装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832387A (ja) * 1971-08-31 1973-04-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4832387A (ja) * 1971-08-31 1973-04-28

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5913212A (ja) * 1982-07-14 1984-01-24 Canon Inc ズ−ムレンズ
JPS5955538U (ja) * 1982-10-05 1984-04-11 住友ベークライト株式会社 医療用複合チユ−ブ
JPS59129818A (ja) * 1983-01-18 1984-07-26 Canon Inc ズ−ムレンズのフオ−カス方法
JPS6243615A (ja) * 1985-08-22 1987-02-25 Canon Inc 大口径比のズ−ムレンズ
WO2013099210A1 (ja) * 2011-12-27 2013-07-04 富士フイルム株式会社 ズームレンズおよび撮像装置
JP5583864B2 (ja) * 2011-12-27 2014-09-03 富士フイルム株式会社 ズームレンズおよび撮像装置
US9013805B2 (en) 2011-12-27 2015-04-21 Fujifilm Corporation Zoom lens and imaging apparatus

Also Published As

Publication number Publication date
JPH0125044B2 (ja) 1989-05-16

Similar Documents

Publication Publication Date Title
JPS5744115A (en) Reflex telephoto zoom lens system
JPS55147606A (en) Telephoto lens
JPS57122413A (en) Zoom lens
JPS5778513A (en) Zoom lens system
SE8304735L (sv) Infrarodoptik
JPS53112759A (en) Microscope objective lens
JPS5778514A (en) Zoom lens system
JPS6431113A (en) Lens for underwater camera
GB900249A (en) Improvements in and relating to varifocal lenses
JPS5642208A (en) Compact zoom lens
JPS56107209A (en) Photographic lens of large aperture ratio corrected for short distance
JPS57135913A (en) Zoom lens
JPS5470827A (en) Telephoto lens
JPS53112760A (en) Wide field microscopic objective lens
JPS56126819A (en) Compact telephoto zoom lens
JPS57165809A (en) Telephoto lens system
JPS5796311A (en) Telephoto lens
JPS56132306A (en) Small-sized zoom lens
JPS5323645A (en) Zoom lens capable of easy transfer for focal distance range
JPS6442617A (en) Lens system with variable focal distance
JPS547927A (en) Photographic lens of excellent focusing operation
JPS5593116A (en) Inverted galilean finder
JPS55149915A (en) Zoom expander
JPS5773713A (en) Rear conversion lens for astronomical telescope
JPS54137329A (en) Lens device having shiftable focal length