JPS6161654B2 - - Google Patents

Info

Publication number
JPS6161654B2
JPS6161654B2 JP56077933A JP7793381A JPS6161654B2 JP S6161654 B2 JPS6161654 B2 JP S6161654B2 JP 56077933 A JP56077933 A JP 56077933A JP 7793381 A JP7793381 A JP 7793381A JP S6161654 B2 JPS6161654 B2 JP S6161654B2
Authority
JP
Japan
Prior art keywords
lens component
lens
focal length
component
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
JP56077933A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57192917A (en
Inventor
Shozo Ishama
Hisao Fujita
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 JP56077933A priority Critical patent/JPS57192917A/ja
Publication of JPS57192917A publication Critical patent/JPS57192917A/ja
Publication of JPS6161654B2 publication Critical patent/JPS6161654B2/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
    • G02B15/144—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
    • G02B15/1441—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 positive
    • G02B15/144113—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 positive arranged +-++
    • 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
    • G02B15/145—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 five groups only
    • G02B15/1451—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 five groups only the first group being positive
    • G02B15/145121—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 five groups only the first group being positive arranged +-+-+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP56077933A 1981-05-25 1981-05-25 Compact zoom lens Granted JPS57192917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56077933A JPS57192917A (en) 1981-05-25 1981-05-25 Compact zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56077933A JPS57192917A (en) 1981-05-25 1981-05-25 Compact zoom lens

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP61117573A Division JPS61258219A (ja) 1986-05-23 1986-05-23 コンパクトズームレンズ

Publications (2)

Publication Number Publication Date
JPS57192917A JPS57192917A (en) 1982-11-27
JPS6161654B2 true JPS6161654B2 (en]) 1986-12-26

Family

ID=13647878

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56077933A Granted JPS57192917A (en) 1981-05-25 1981-05-25 Compact zoom lens

Country Status (1)

Country Link
JP (1) JPS57192917A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6423742U (en]) * 1987-07-29 1989-02-08

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH063493B2 (ja) * 1983-12-28 1994-01-12 ミノルタカメラ株式会社 超コンパクトなズ−ムレンズ
JPH0640172B2 (ja) * 1983-09-06 1994-05-25 ミノルタカメラ株式会社 超コンパクトな望遠系ズ−ムレンズ
JPS6057814A (ja) * 1983-09-09 1985-04-03 Minolta Camera Co Ltd バックフォ−カスの短いコンパクトなズ−ムレンズ系
JPH0672977B2 (ja) * 1985-03-15 1994-09-14 キヤノン株式会社 ズ−ムレンズ
JPS61258219A (ja) * 1986-05-23 1986-11-15 Konishiroku Photo Ind Co Ltd コンパクトズームレンズ
JPH0833514B2 (ja) * 1986-12-22 1996-03-29 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
JPH0830783B2 (ja) * 1986-08-11 1996-03-27 オリンパス光学工業株式会社 コンパクトカメラ用高変倍ズームレンズ
JPH01178912A (ja) * 1987-12-29 1989-07-17 Asahi Optical Co Ltd 広角を包括するコンパクトな高変倍比ズームレンズ
GB2213285B (en) * 1987-12-29 1992-10-14 Asahi Optical Co Ltd Compact zoom lens system capable of high zoom ratio and having coverage of a wide visual field

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55156912A (en) * 1979-05-16 1980-12-06 Asahi Optical Co Ltd High variable power zoom lens including wide angle
JPS5833531B2 (ja) * 1980-06-05 1983-07-20 コニカ株式会社 高変倍率ズ−ムレンズ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6423742U (en]) * 1987-07-29 1989-02-08

Also Published As

Publication number Publication date
JPS57192917A (en) 1982-11-27

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