JPH0358088B2 - - Google Patents

Info

Publication number
JPH0358088B2
JPH0358088B2 JP57018901A JP1890182A JPH0358088B2 JP H0358088 B2 JPH0358088 B2 JP H0358088B2 JP 57018901 A JP57018901 A JP 57018901A JP 1890182 A JP1890182 A JP 1890182A JP H0358088 B2 JPH0358088 B2 JP H0358088B2
Authority
JP
Japan
Prior art keywords
lens group
lens
focal length
distance
zoom
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
JP57018901A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58137813A (ja
Inventor
Makoto Sakano
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta 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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP57018901A priority Critical patent/JPS58137813A/ja
Publication of JPS58137813A publication Critical patent/JPS58137813A/ja
Publication of JPH0358088B2 publication Critical patent/JPH0358088B2/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
    • G02B15/1431—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 the first group being positive
    • G02B15/143103—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 the first group being positive arranged ++-

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP57018901A 1982-02-10 1982-02-10 小型ズ−ムレンズ Granted JPS58137813A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57018901A JPS58137813A (ja) 1982-02-10 1982-02-10 小型ズ−ムレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57018901A JPS58137813A (ja) 1982-02-10 1982-02-10 小型ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS58137813A JPS58137813A (ja) 1983-08-16
JPH0358088B2 true JPH0358088B2 (fr) 1991-09-04

Family

ID=11984481

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57018901A Granted JPS58137813A (ja) 1982-02-10 1982-02-10 小型ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS58137813A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220011545A1 (en) * 2020-07-13 2022-01-13 Aac Optics (Changzhou) Co., Ltd. Camera optical lens

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701033A (en) * 1983-09-09 1987-10-20 Minolta Camera Kabushiki Kaisha Variable focal length lens system
US4822152A (en) * 1986-08-11 1989-04-18 Olympus Optical Co., Ltd. Compact high-vari-focal ratio zoom lens system
JPH083580B2 (ja) * 1986-12-18 1996-01-17 オリンパス光学工業株式会社 コンパクトな高変倍率ズ−ムレンズ
JP2619632B2 (ja) * 1986-12-25 1997-06-11 オリンパス光学工業株式会社 コンパクトな高変倍率ズームレンズ
US4854682A (en) * 1987-11-13 1989-08-08 Olympus Optical Co., Ltd. Compact high vari-focal ratio zoom lens system
JP2798090B2 (ja) * 1988-02-10 1998-09-17 オリンパス光学工業株式会社 ズームレンズのフォーカシング方法
US4818082A (en) * 1988-05-27 1989-04-04 Eastman Kodak Company Compact wide-angle close-focus SLR zoom lens
US5327290A (en) * 1989-10-13 1994-07-05 Minolta Camera Kabushiki Kaisha Compact size zoom lens system
US5283693A (en) * 1990-06-13 1994-02-01 Minolta Camera Kabushiki Kaisha Compact zoom lens system
US5424870A (en) * 1990-07-20 1995-06-13 Minolta Camera Kabushiki Kaisha Compact zoom lens system
JP3260798B2 (ja) * 1991-03-04 2002-02-25 オリンパス光学工業株式会社 広角ズ−ムレンズ
JP5975386B2 (ja) * 2012-08-17 2016-08-23 株式会社オプトロジック 撮像レンズ
JP6341442B2 (ja) * 2014-01-28 2018-06-20 株式会社リコー 画像読取用レンズ、画像読取装置および画像形成装置
TWI507723B (zh) 2014-08-01 2015-11-11 Largan Precision Co Ltd 攝像光學透鏡組、取像裝置及電子裝置
JP7289711B2 (ja) * 2019-04-25 2023-06-12 キヤノン株式会社 光学系及びそれを有する撮像装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220011545A1 (en) * 2020-07-13 2022-01-13 Aac Optics (Changzhou) Co., Ltd. Camera optical lens
US11892596B2 (en) * 2020-07-13 2024-02-06 Aac Optics (Changzhou) Co., Ltd. Camera optical lens

Also Published As

Publication number Publication date
JPS58137813A (ja) 1983-08-16

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