JPS58200208A - 小型の広角ズ−ムレンズ - Google Patents

小型の広角ズ−ムレンズ

Info

Publication number
JPS58200208A
JPS58200208A JP57084171A JP8417182A JPS58200208A JP S58200208 A JPS58200208 A JP S58200208A JP 57084171 A JP57084171 A JP 57084171A JP 8417182 A JP8417182 A JP 8417182A JP S58200208 A JPS58200208 A JP S58200208A
Authority
JP
Japan
Prior art keywords
lens
lens group
zoom
group
wide
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
JP57084171A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6224767B2 (enrdf_load_stackoverflow
Inventor
Keiji Ikemori
敬二 池森
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 JP57084171A priority Critical patent/JPS58200208A/ja
Publication of JPS58200208A publication Critical patent/JPS58200208A/ja
Priority to US06/733,856 priority patent/US4647160A/en
Publication of JPS6224767B2 publication Critical patent/JPS6224767B2/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
    • G02B15/177—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 having a negative front lens or group of lenses
    • 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
    • G02B15/1435—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 negative
    • G02B15/143503—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 negative arranged -+-

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
JP57084171A 1981-12-24 1982-05-19 小型の広角ズ−ムレンズ Granted JPS58200208A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57084171A JPS58200208A (ja) 1982-05-19 1982-05-19 小型の広角ズ−ムレンズ
US06/733,856 US4647160A (en) 1981-12-24 1985-05-13 Small-sized wide angle zoom objective

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57084171A JPS58200208A (ja) 1982-05-19 1982-05-19 小型の広角ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS58200208A true JPS58200208A (ja) 1983-11-21
JPS6224767B2 JPS6224767B2 (enrdf_load_stackoverflow) 1987-05-29

Family

ID=13823043

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57084171A Granted JPS58200208A (ja) 1981-12-24 1982-05-19 小型の広角ズ−ムレンズ

Country Status (1)

Country Link
JP (1) JPS58200208A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61167919A (ja) * 1985-01-21 1986-07-29 Canon Inc 変倍フアインダ−
JPS61240217A (ja) * 1985-04-17 1986-10-25 Asahi Optical Co Ltd コンパクトな広角ズ−ムレンズ
JPS61267721A (ja) * 1984-12-22 1986-11-27 Canon Inc ズ−ムレンズ
JPS63210907A (ja) * 1987-02-27 1988-09-01 Asahi Optical Co Ltd コンパクトで明るい広角ズ−ムレンズ
JPH01284819A (ja) * 1988-05-12 1989-11-16 Minolta Camera Co Ltd ズームレンズ
JPH03196013A (ja) * 1989-12-26 1991-08-27 Canon Inc ズームレンズ
JP2009205055A (ja) * 2008-02-29 2009-09-10 Fujinon Corp 変倍光学系および撮像装置
JP2013210604A (ja) * 2012-02-28 2013-10-10 Ricoh Imaging Co Ltd 近距離補正レンズ系

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188243A (enrdf_load_stackoverflow) * 1974-12-20 1976-08-02
JPS5382432A (en) * 1976-12-28 1978-07-20 Canon Inc Small zoom lens
JPS5459157A (en) * 1977-10-19 1979-05-12 Asahi Optical Co Ltd Zoom lens having small distortion aberration
JPS5478149A (en) * 1977-12-02 1979-06-22 Asahi Optical Co Ltd Zoom lens of small distortion aberration for wide angle
JPS5478148A (en) * 1977-12-02 1979-06-22 Asahi Optical Co Ltd Zoom lens of small distortion aberration
JPS5532037A (en) * 1978-08-29 1980-03-06 Nippon Kogaku Kk <Nikon> Zoom lens system for near distance
JPS5897016A (ja) * 1981-12-07 1983-06-09 Mamiya Koki Kk 広角ズ−ムレンズ
JPS58132207A (ja) * 1982-02-01 1983-08-06 Mamiya Koki Kk 広角ズ−ムレンズ

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188243A (enrdf_load_stackoverflow) * 1974-12-20 1976-08-02
JPS5382432A (en) * 1976-12-28 1978-07-20 Canon Inc Small zoom lens
JPS5459157A (en) * 1977-10-19 1979-05-12 Asahi Optical Co Ltd Zoom lens having small distortion aberration
JPS5478149A (en) * 1977-12-02 1979-06-22 Asahi Optical Co Ltd Zoom lens of small distortion aberration for wide angle
JPS5478148A (en) * 1977-12-02 1979-06-22 Asahi Optical Co Ltd Zoom lens of small distortion aberration
JPS5532037A (en) * 1978-08-29 1980-03-06 Nippon Kogaku Kk <Nikon> Zoom lens system for near distance
JPS5897016A (ja) * 1981-12-07 1983-06-09 Mamiya Koki Kk 広角ズ−ムレンズ
JPS58132207A (ja) * 1982-02-01 1983-08-06 Mamiya Koki Kk 広角ズ−ムレンズ

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61267721A (ja) * 1984-12-22 1986-11-27 Canon Inc ズ−ムレンズ
JPS61167919A (ja) * 1985-01-21 1986-07-29 Canon Inc 変倍フアインダ−
JPS61240217A (ja) * 1985-04-17 1986-10-25 Asahi Optical Co Ltd コンパクトな広角ズ−ムレンズ
JPS63210907A (ja) * 1987-02-27 1988-09-01 Asahi Optical Co Ltd コンパクトで明るい広角ズ−ムレンズ
JPH01284819A (ja) * 1988-05-12 1989-11-16 Minolta Camera Co Ltd ズームレンズ
JPH03196013A (ja) * 1989-12-26 1991-08-27 Canon Inc ズームレンズ
JP2009205055A (ja) * 2008-02-29 2009-09-10 Fujinon Corp 変倍光学系および撮像装置
JP2013210604A (ja) * 2012-02-28 2013-10-10 Ricoh Imaging Co Ltd 近距離補正レンズ系

Also Published As

Publication number Publication date
JPS6224767B2 (enrdf_load_stackoverflow) 1987-05-29

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