JPH0115843B2 - - Google Patents

Info

Publication number
JPH0115843B2
JPH0115843B2 JP47095308A JP9530872A JPH0115843B2 JP H0115843 B2 JPH0115843 B2 JP H0115843B2 JP 47095308 A JP47095308 A JP 47095308A JP 9530872 A JP9530872 A JP 9530872A JP H0115843 B2 JPH0115843 B2 JP H0115843B2
Authority
JP
Japan
Prior art keywords
zoom lens
photography
extremely close
lens system
zooming
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
JP47095308A
Other languages
English (en)
Japanese (ja)
Other versions
JPS4993029A (US20030199744A1-20031023-C00003.png
Inventor
Michoshi Suwa
Akira Tajima
Mamoru Shimazaki
Noritsugu Hirata
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP47095308A priority Critical patent/JPH0115843B2/ja
Priority to US398554A priority patent/US3884555A/en
Publication of JPS4993029A publication Critical patent/JPS4993029A/ja
Publication of JPH0115843B2 publication Critical patent/JPH0115843B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/105—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens with movable lens means specially adapted for focusing at close distances
    • 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
    • G02B15/142—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 two groups only
    • 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
    • G02B15/22—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 movable lens means specially adapted for focusing at close distances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP47095308A 1972-09-22 1972-09-22 Expired JPH0115843B2 (US20030199744A1-20031023-C00003.png)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP47095308A JPH0115843B2 (US20030199744A1-20031023-C00003.png) 1972-09-22 1972-09-22
US398554A US3884555A (en) 1972-09-22 1973-09-18 Optical system capable of extreme close up photography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47095308A JPH0115843B2 (US20030199744A1-20031023-C00003.png) 1972-09-22 1972-09-22

Publications (2)

Publication Number Publication Date
JPS4993029A JPS4993029A (US20030199744A1-20031023-C00003.png) 1974-09-04
JPH0115843B2 true JPH0115843B2 (US20030199744A1-20031023-C00003.png) 1989-03-20

Family

ID=14134119

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47095308A Expired JPH0115843B2 (US20030199744A1-20031023-C00003.png) 1972-09-22 1972-09-22

Country Status (2)

Country Link
US (1) US3884555A (US20030199744A1-20031023-C00003.png)
JP (1) JPH0115843B2 (US20030199744A1-20031023-C00003.png)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647532B2 (US20030199744A1-20031023-C00003.png) * 1973-10-08 1981-11-10
JPS5852201B2 (ja) * 1974-04-04 1983-11-21 ミノルタ株式会社 変倍レンズ
US4113355A (en) * 1974-06-17 1978-09-12 Canon Kabushiki Kaisha Macro zoom lens
US4178076A (en) * 1974-06-17 1979-12-11 Canon Kabushiki Kaisha Macro zoom lens
JPS588481B2 (ja) * 1974-06-18 1983-02-16 キヤノン株式会社 ズ−ムレンズの広角化方式
JPS5132635A (en) * 1974-09-14 1976-03-19 Tokina Optical Shikinkyorisatsueikanonazuumurenzukei
AT343937B (de) * 1975-08-06 1978-06-26 Eumig Pankratisches objektiv
FR2332547A1 (fr) * 1975-11-21 1977-06-17 Angenieux Pierre Variateur optique de grandissement d'image
JPS5270848A (en) * 1975-12-10 1977-06-13 Tokina Optical Zoom lens that can take very near objects
US4298251A (en) * 1976-11-24 1981-11-03 Bell & Howell Company Dual macro zoom optical system
DE2723540A1 (de) * 1977-05-25 1978-12-07 Schneider Co Optische Werke Makroeinstell-einrichtung in objektiven mit veraenderbarer brennweite
US4307943A (en) * 1978-09-11 1981-12-29 Vivitar Corporation Close focusing zoom lens
US4299454A (en) * 1978-09-11 1981-11-10 Vivitar Corporation Wide angle to long focus zoom lens
JPS55134809A (en) * 1979-04-06 1980-10-21 Canon Inc Lens barrel of closeup photographable zoom lens
JPS6023327B2 (ja) * 1979-04-16 1985-06-07 旭光学工業株式会社 ズ−ムレンズ鏡筒の近域撮影への切換装置
JPS5614225A (en) * 1979-07-16 1981-02-12 Minolta Camera Co Ltd Focusing device
JPS592884B2 (ja) * 1979-07-28 1984-01-21 旭光学工業株式会社 ズ−ムレンズのフオ−カス方式
US4634236A (en) * 1980-06-12 1987-01-06 Minolta Camera Kabushiki Kaisha Compact zoom lens system of a relatively high zoom ratio capable of providing a wide field angle
JPS57158610A (en) * 1981-03-25 1982-09-30 Nippon Kogaku Kk <Nikon> Zoom lens system capable of close-up shooting
JPS57208522A (en) * 1981-06-19 1982-12-21 Nippon Kogaku Kk <Nikon> Zoom lens capable of close-up photographing
JPS5895315A (ja) * 1981-11-30 1983-06-06 Minolta Camera Co Ltd 広角域を含む高変倍率ズ−ムレンズ系
JPS5898720A (ja) * 1981-12-08 1983-06-11 Olympus Optical Co Ltd コンパクトな４群型ズ−ムレンズ
JPS5946589U (ja) * 1982-09-20 1984-03-28 松下電器産業株式会社 ゲ−ム用天板
US5162831A (en) * 1986-05-12 1992-11-10 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for camera
EP0498467B1 (en) * 1986-05-12 1995-08-23 Asahi Kogaku Kogyo Kabushiki Kaisha Flexible printed circuit with anti-reflection device for a lens shutter camera
US5150145A (en) * 1986-05-12 1992-09-22 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens
US5475456A (en) * 1986-05-12 1995-12-12 Asahi Kogaku Kogyo Kabushiki Kaisha Zoom lens drive system for lens shutter type of camera
US5280317A (en) * 1986-05-12 1994-01-18 Asahi Kogaku Kogyo Kabushiki Kaisha Lens shutter camera including zoom lens drive system
JPH0373907A (ja) * 1989-08-15 1991-03-28 Olympus Optical Co Ltd ズームレンズ
JPH04125607A (ja) * 1990-09-18 1992-04-27 Canon Inc 光学機器
JP3576683B2 (ja) * 1996-01-29 2004-10-13 キヤノン株式会社 ズームレンズ
US9201219B2 (en) * 2012-02-28 2015-12-01 Ricoh Imaging Company, Ltd. Close-distance correcting lens system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784285A (en) * 1972-06-01 1974-01-08 Ponder & Best Zoom lens

Also Published As

Publication number Publication date
JPS4993029A (US20030199744A1-20031023-C00003.png) 1974-09-04
US3884555A (en) 1975-05-20

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