JPH0416764B2 - - Google Patents

Info

Publication number
JPH0416764B2
JPH0416764B2 JP57067489A JP6748982A JPH0416764B2 JP H0416764 B2 JPH0416764 B2 JP H0416764B2 JP 57067489 A JP57067489 A JP 57067489A JP 6748982 A JP6748982 A JP 6748982A JP H0416764 B2 JPH0416764 B2 JP H0416764B2
Authority
JP
Japan
Prior art keywords
lens
lens group
focal length
group
positive
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
JP57067489A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58184916A (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 JP57067489A priority Critical patent/JPS58184916A/ja
Publication of JPS58184916A publication Critical patent/JPS58184916A/ja
Publication of JPH0416764B2 publication Critical patent/JPH0416764B2/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
    • G02B15/143—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)
  • Lenses (AREA)
JP57067489A 1982-04-23 1982-04-23 小型３群ズ−ムレンズ Granted JPS58184916A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57067489A JPS58184916A (ja) 1982-04-23 1982-04-23 小型３群ズ−ムレンズ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57067489A JPS58184916A (ja) 1982-04-23 1982-04-23 小型３群ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS58184916A JPS58184916A (ja) 1983-10-28
JPH0416764B2 true JPH0416764B2 (fr) 1992-03-25

Family

ID=13346440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57067489A Granted JPS58184916A (ja) 1982-04-23 1982-04-23 小型３群ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS58184916A (fr)

Families Citing this family (22)

* 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
JPS61109012A (ja) * 1984-11-01 1986-05-27 Canon Inc 小型のズ−ムレンズ
JP2569302B2 (ja) * 1985-05-13 1997-01-08 キヤノン株式会社 コンパクトなズ−ムレンズ
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
JP2546293B2 (ja) * 1987-10-05 1996-10-23 キヤノン株式会社 小型のズームレンズ
JP2791563B2 (ja) * 1987-11-13 1998-08-27 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
JPH01193808A (ja) * 1988-01-29 1989-08-03 Asahi Optical Co Ltd コンパクトカメラ用ズームレンズ
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
JP2817916B2 (ja) * 1988-03-25 1998-10-30 旭光学工業株式会社 高変倍比コンパクトカメラ用ズームレンズ
JP2767804B2 (ja) * 1988-03-31 1998-06-18 ミノルタ株式会社 コンパクトな高変倍率ズームレンズ系
JP2947473B2 (ja) * 1988-07-05 1999-09-13 ミノルタ株式会社 コンパクトな高変倍率ズームレンズ系
JP2947474B2 (ja) * 1988-07-05 1999-09-13 ミノルタ株式会社 コンパクトな高変倍率ズームレンズ系
JP2767805B2 (ja) * 1988-03-31 1998-06-18 ミノルタ株式会社 コンパクトな高変倍率ズームレンズ系
JPH0250117A (ja) * 1988-05-31 1990-02-20 Olympus Optical Co Ltd ズームレンズ
US4978204A (en) * 1988-09-08 1990-12-18 Asahi Kogaku Kogyo Kabushik Kaisha High zoom-ratio zoom lens system for use in a compact camera
DE3943741C2 (de) * 1988-09-08 1996-02-22 Asahi Optical Co Ltd Varioobjektiv für eine Kamera
US5327290A (en) * 1989-10-13 1994-07-05 Minolta Camera Kabushiki Kaisha Compact size zoom lens system
JP2870098B2 (ja) * 1990-03-07 1999-03-10 ミノルタ株式会社 コンパクトなズームレンズ系
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
US5831772A (en) * 1993-04-07 1998-11-03 Canon Kabushiki Kaisha Compact zoom lens
JP3412939B2 (ja) * 1994-12-22 2003-06-03 キヤノン株式会社 ズームレンズ

Also Published As

Publication number Publication date
JPS58184916A (ja) 1983-10-28

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