JPS59222806A - ズ−ムレンズ - Google Patents

ズ−ムレンズ

Info

Publication number
JPS59222806A
JPS59222806A JP58097178A JP9717883A JPS59222806A JP S59222806 A JPS59222806 A JP S59222806A JP 58097178 A JP58097178 A JP 58097178A JP 9717883 A JP9717883 A JP 9717883A JP S59222806 A JPS59222806 A JP S59222806A
Authority
JP
Japan
Prior art keywords
lens group
lens
refractive power
zoom
wide
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
JP58097178A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0248088B2 (enrdf_load_stackoverflow
Inventor
Keiji Ikemori
敬二 池森
Tsunefumi Tanaka
常文 田中
Masatake Katou
正猛 加藤
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP58097178A priority Critical patent/JPS59222806A/ja
Publication of JPS59222806A publication Critical patent/JPS59222806A/ja
Priority to US06/903,901 priority patent/US4687302A/en
Publication of JPH0248088B2 publication Critical patent/JPH0248088B2/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
    • G02B15/144511—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)
JP58097178A 1983-06-01 1983-06-01 ズ−ムレンズ Granted JPS59222806A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58097178A JPS59222806A (ja) 1983-06-01 1983-06-01 ズ−ムレンズ
US06/903,901 US4687302A (en) 1983-06-01 1986-09-04 Zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58097178A JPS59222806A (ja) 1983-06-01 1983-06-01 ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS59222806A true JPS59222806A (ja) 1984-12-14
JPH0248088B2 JPH0248088B2 (enrdf_load_stackoverflow) 1990-10-24

Family

ID=14185326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58097178A Granted JPS59222806A (ja) 1983-06-01 1983-06-01 ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS59222806A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4818082A (en) * 1988-05-27 1989-04-04 Eastman Kodak Company Compact wide-angle close-focus SLR zoom lens
US4828372A (en) * 1987-10-09 1989-05-09 Eastman Kodak Company Wide-angle zoom lens
JPH0392808A (ja) * 1989-09-05 1991-04-18 Canon Inc ズームレンズ
JP2011150289A (ja) * 2009-12-22 2011-08-04 Canon Inc ズームレンズ
WO2012086155A1 (ja) * 2010-12-22 2012-06-28 パナソニック株式会社 ズームレンズ系、交換レンズ装置及びカメラシステム
JP2014026211A (ja) * 2012-07-30 2014-02-06 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2015172694A (ja) * 2014-03-12 2015-10-01 株式会社ニコン ズームレンズ、光学装置、ズームレンズの製造方法
JP2019204114A (ja) * 2019-07-29 2019-11-28 キヤノン株式会社 光学系及び撮像装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492312A (enrdf_load_stackoverflow) * 1972-04-24 1974-01-10
JPS5334539A (en) * 1976-09-13 1978-03-31 Tokina Optical Wide angle high zoom ratio zoom system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492312A (enrdf_load_stackoverflow) * 1972-04-24 1974-01-10
JPS5334539A (en) * 1976-09-13 1978-03-31 Tokina Optical Wide angle high zoom ratio zoom system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4828372A (en) * 1987-10-09 1989-05-09 Eastman Kodak Company Wide-angle zoom lens
US4818082A (en) * 1988-05-27 1989-04-04 Eastman Kodak Company Compact wide-angle close-focus SLR zoom lens
JPH0392808A (ja) * 1989-09-05 1991-04-18 Canon Inc ズームレンズ
JP2011150289A (ja) * 2009-12-22 2011-08-04 Canon Inc ズームレンズ
WO2012086155A1 (ja) * 2010-12-22 2012-06-28 パナソニック株式会社 ズームレンズ系、交換レンズ装置及びカメラシステム
US8611019B2 (en) 2010-12-22 2013-12-17 Panasonic Corporation Zoom lens system, interchangeable lens apparatus and camera system
JP5891452B2 (ja) * 2010-12-22 2016-03-23 パナソニックＩｐマネジメント株式会社 ズームレンズ系、交換レンズ装置及びカメラシステム
JP2014026211A (ja) * 2012-07-30 2014-02-06 Canon Inc ズームレンズ及びそれを有する撮像装置
JP2015172694A (ja) * 2014-03-12 2015-10-01 株式会社ニコン ズームレンズ、光学装置、ズームレンズの製造方法
JP2019204114A (ja) * 2019-07-29 2019-11-28 キヤノン株式会社 光学系及び撮像装置

Also Published As

Publication number Publication date
JPH0248088B2 (enrdf_load_stackoverflow) 1990-10-24

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