JPS58137813A - 小型ズ−ムレンズ - Google Patents

小型ズ−ムレンズ

Info

Publication number
JPS58137813A
JPS58137813A JP57018901A JP1890182A JPS58137813A JP S58137813 A JPS58137813 A JP S58137813A JP 57018901 A JP57018901 A JP 57018901A JP 1890182 A JP1890182 A JP 1890182A JP S58137813 A JPS58137813 A JP S58137813A
Authority
JP
Japan
Prior art keywords
lens group
lens
focal length
groups
optical axis
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
JP57018901A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0358088B2 (enrdf_load_stackoverflow
Inventor
Makoto Sakano
誠 坂野
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 true JPS58137813A (ja) 1983-08-16
JPH0358088B2 JPH0358088B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (16)

* 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
US4773744A (en) * 1986-12-18 1988-09-27 Olympus Optical Co., Ltd. Compact zoom lens system with a high zooming ratio
US4822152A (en) * 1986-08-11 1989-04-18 Olympus Optical Co., Ltd. Compact high-vari-focal ratio zoom lens system
US4840467A (en) * 1986-12-25 1989-06-20 Olympus Optical Co., Ltd. Compact zoom lens system with a high zooming ratio
US4854682A (en) * 1987-11-13 1989-08-08 Olympus Optical Co., Ltd. Compact high vari-focal ratio zoom lens system
US5002373A (en) * 1988-02-10 1991-03-26 Olympus Optical Co., Ltd. Zoom lens system of inner focus type
JPH03501416A (ja) * 1988-05-27 1991-03-28 イーストマン・コダック・カンパニー コンパクトな広角クローズフォーカス一眼レフカメラのズームレンズ
JPH05264903A (ja) * 1991-03-04 1993-10-15 Olympus Optical Co Ltd 広角ズ−ムレンズ
US5283693A (en) * 1990-06-13 1994-02-01 Minolta Camera Kabushiki Kaisha Compact zoom lens system
US5327290A (en) * 1989-10-13 1994-07-05 Minolta Camera Kabushiki Kaisha Compact size zoom lens system
US5424870A (en) * 1990-07-20 1995-06-13 Minolta Camera Kabushiki Kaisha Compact zoom lens system
JP2014038230A (ja) * 2012-08-17 2014-02-27 Optical Logic Inc 撮像レンズ
JP2015141306A (ja) * 2014-01-28 2015-08-03 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
US10310236B2 (en) 2014-08-01 2019-06-04 Largan Precision Co., Ltd. Photographing optical lens assembly, image capturing unit and electronic device
JP2020181071A (ja) * 2019-04-25 2020-11-05 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2022017155A (ja) * 2020-07-13 2022-01-25 エーエーシー オプティクス （チャンジョウ）カンパニーリミテッド 撮像光学レンズ

Cited By (18)

* 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
US4773744A (en) * 1986-12-18 1988-09-27 Olympus Optical Co., Ltd. Compact zoom lens system with a high zooming ratio
US4840467A (en) * 1986-12-25 1989-06-20 Olympus Optical Co., Ltd. Compact zoom lens system with a high zooming ratio
US4854682A (en) * 1987-11-13 1989-08-08 Olympus Optical Co., Ltd. Compact high vari-focal ratio zoom lens system
US5002373A (en) * 1988-02-10 1991-03-26 Olympus Optical Co., Ltd. Zoom lens system of inner focus type
JPH03501416A (ja) * 1988-05-27 1991-03-28 イーストマン・コダック・カンパニー コンパクトな広角クローズフォーカス一眼レフカメラのズームレンズ
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
JPH05264903A (ja) * 1991-03-04 1993-10-15 Olympus Optical Co Ltd 広角ズ−ムレンズ
JP2014038230A (ja) * 2012-08-17 2014-02-27 Optical Logic Inc 撮像レンズ
JP2015141306A (ja) * 2014-01-28 2015-08-03 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
US10310236B2 (en) 2014-08-01 2019-06-04 Largan Precision Co., Ltd. Photographing optical lens assembly, image capturing unit and electronic device
US11940605B2 (en) 2014-08-01 2024-03-26 Largan Precision Co., Ltd. Photographing optical lens assembly, image capturing unit and electronic device
US12210142B2 (en) 2014-08-01 2025-01-28 Largan Precision Co., Ltd. Photographing optical lens assembly, image capturing unit and electronic device
JP2020181071A (ja) * 2019-04-25 2020-11-05 キヤノン株式会社 光学系及びそれを有する撮像装置
JP2022017155A (ja) * 2020-07-13 2022-01-25 エーエーシー オプティクス （チャンジョウ）カンパニーリミテッド 撮像光学レンズ

Also Published As

Publication number Publication date
JPH0358088B2 (enrdf_load_stackoverflow) 1991-09-04

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