JPH0248088B2 - - Google Patents

Info

Publication number
JPH0248088B2
JPH0248088B2 JP58097178A JP9717883A JPH0248088B2 JP H0248088 B2 JPH0248088 B2 JP H0248088B2 JP 58097178 A JP58097178 A JP 58097178A JP 9717883 A JP9717883 A JP 9717883A JP H0248088 B2 JPH0248088 B2 JP H0248088B2
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.)
Expired - Lifetime
Application number
JP58097178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59222806A (ja
Inventor
Keiji Ikemori
Tsunefumi Tanaka
Masatake Kato
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 JPS59222806A (ja) 1984-12-14
JPH0248088B2 true JPH0248088B2 (en, 2012) 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 (en, 2012)

Families Citing this family (8)

* 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
JP2722709B2 (ja) * 1989-09-05 1998-03-09 キヤノン株式会社 ズームレンズ
JP5653165B2 (ja) * 2009-12-22 2015-01-14 キヤノン株式会社 ズームレンズ
CN103038688B (zh) * 2010-12-22 2015-11-25 松下电器产业株式会社 变焦透镜系统、可更换镜头装置以及照相机系统
JP5975773B2 (ja) * 2012-07-30 2016-08-23 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP6354222B2 (ja) * 2014-03-12 2018-07-11 株式会社ニコン ズームレンズ、光学装置
JP7187400B2 (ja) * 2019-07-29 2022-12-12 キヤノン株式会社 光学系及び撮像装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5032924B2 (en, 2012) * 1972-04-24 1975-10-25
JPS5334539A (en) * 1976-09-13 1978-03-31 Tokina Optical Wide angle high zoom ratio zoom system

Also Published As

Publication number Publication date
JPS59222806A (ja) 1984-12-14

Similar Documents

Publication Publication Date Title
JP3584107B2 (ja) ズームレンズ
US9291804B2 (en) Zoom lens and image pickup apparatus having the same
US5640277A (en) Large aperture medium telephoto lens system
JP3261716B2 (ja) 逆望遠型大口径広角レンズ
JP2628633B2 (ja) コンパクトなズームレンズ
US5490014A (en) High-aperture-ratio inner-focus telephoto lens
JPS6014212A (ja) ズ−ムレンズ
JP3206908B2 (ja) コンパクトなズームレンズ
JP3074026B2 (ja) 超広角型のズームレンズ
JPH10104520A (ja) 広角ズームレンズ
JPH07294816A (ja) ズームレンズ
JP3373913B2 (ja) ズームレンズ
JPH0812326B2 (ja) 逆望遠型広角レンズ
JP3236037B2 (ja) 高変倍ズームレンズ
JPH0248088B2 (en, 2012)
JP4639425B2 (ja) 可変焦点距離レンズ系
JP3352264B2 (ja) レトロフォーカス型レンズ及びそれを有するカメラ
JPH0414764B2 (en, 2012)
JP5172247B2 (ja) ズームレンズ
JPH04304408A (ja) 水中カメラ用レンズ
JP3072157B2 (ja) 変倍ファインダー
US5054899A (en) Medium telephoto lens system
US4426137A (en) Gauss type photographic lens
JPS635738B2 (en, 2012)
JPH02103014A (ja) 手ブレ補正光学系を有したズームレンズ