JPS57192917A - Compact zoom lens - Google Patents

Compact zoom lens

Info

Publication number
JPS57192917A
JPS57192917A JP56077933A JP7793381A JPS57192917A JP S57192917 A JPS57192917 A JP S57192917A JP 56077933 A JP56077933 A JP 56077933A JP 7793381 A JP7793381 A JP 7793381A JP S57192917 A JPS57192917 A JP S57192917A
Authority
JP
Japan
Prior art keywords
lens
focal distance
positive
components
negative
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
JP56077933A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6161654B2 (enrdf_load_stackoverflow
Inventor
Shozo Ishiyama
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 true JPS57192917A (en) 1982-11-27
JPS6161654B2 JPS6161654B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055314A (ja) * 1983-09-06 1985-03-30 Minolta Camera Co Ltd 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
JPS60142319A (ja) * 1983-12-28 1985-07-27 Minolta Camera Co Ltd 超コンパクトなズ−ムレンズ
JPS61212814A (ja) * 1985-03-15 1986-09-20 Canon Inc 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
JPS6343115A (ja) * 1986-08-11 1988-02-24 Olympus Optical Co Ltd コンパクトカメラ用高変倍ズームレンズ
JPS63157120A (ja) * 1986-12-22 1988-06-30 Olympus Optical Co Ltd コンパクトな高変倍率ズ−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
DE3844239A1 (de) * 1987-12-29 1989-07-27 Asahi Optical Co Ltd Kompaktes zoom-linsensystem mit hohem zoom-verhaeltnis und weitem blickfeld

Families Citing this family (1)

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

Citations (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
JPS572014A (en) * 1980-06-05 1982-01-07 Konishiroku Photo Ind Co Ltd Zoom lens having high variable magnification

Patent Citations (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
JPS572014A (en) * 1980-06-05 1982-01-07 Konishiroku Photo Ind Co Ltd Zoom lens having high variable magnification

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055314A (ja) * 1983-09-06 1985-03-30 Minolta Camera Co Ltd 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
JPS60142319A (ja) * 1983-12-28 1985-07-27 Minolta Camera Co Ltd 超コンパクトなズ−ムレンズ
JPS61212814A (ja) * 1985-03-15 1986-09-20 Canon Inc 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
JPS6343115A (ja) * 1986-08-11 1988-02-24 Olympus Optical Co Ltd コンパクトカメラ用高変倍ズームレンズ
JPS63157120A (ja) * 1986-12-22 1988-06-30 Olympus Optical Co Ltd コンパクトな高変倍率ズ−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
DE3844239A1 (de) * 1987-12-29 1989-07-27 Asahi Optical Co Ltd Kompaktes zoom-linsensystem mit hohem zoom-verhaeltnis und weitem blickfeld
US4917482A (en) * 1987-12-29 1990-04-17 Asahi Kogaku Kogyo Kabushiki Kaisha Compact zoom lens system capable of high zoom ratio and having coverage of a wide visual field
DE3844239C2 (de) * 1987-12-29 1996-10-17 Asahi Optical Co Ltd Varioobjektiv

Also Published As

Publication number Publication date
JPS6161654B2 (enrdf_load_stackoverflow) 1986-12-26

Similar Documents

Publication Publication Date Title
JPS56128911A (en) Subminiature zoom lens
JPS5430855A (en) Wide angle zoom lens system having high variable magnification
JPS572014A (en) Zoom lens having high variable magnification
JPS5710110A (en) Four-group constitution ftheta lens system
DE69223268D1 (de) Zoomlinse mit Fokussierung durch die hinteren Linsengruppen
JPS52117126A (en) Telephoto lens system
CA2192626A1 (en) Super wide-angle zoom lens
IT1206463B (it) Macchina fotografica con obiettivi montati su torretta e mirino a inquadramento variabile.
JPS5719709A (en) Zoom lens
JPS57192917A (en) Compact zoom lens
JPS6438711A (en) Zoom lens
JPS57177115A (en) Projection lens device
JPS5741608A (en) Lens for closeup photographing
JPS5735821A (en) Reverse telephoto lens
JPS5768873A (en) Variable scale factor copying optical device which is capable of magnification and reduction
JPS5655915A (en) Zoom lens
JPS5695211A (en) Wide angle zoom lens
JPS57192918A (en) Compact zoom lens
JPS561009A (en) Zoom lens
JPS5535336A (en) Wide angle zoom lens
JPS55147607A (en) Retrofocus type wide angle photographic lens
JPS57161824A (en) Zoom lens system
JPS56107209A (en) Photographic lens of large aperture ratio corrected for short distance
JPS5651709A (en) Reverse telephoto type wide angle lens
JPS5417042A (en) Wide-angle zoom lens