JPS5226236A - Zoom lens system - Google Patents

Zoom lens system

Info

Publication number
JPS5226236A
JPS5226236A JP10186075A JP10186075A JPS5226236A JP S5226236 A JPS5226236 A JP S5226236A JP 10186075 A JP10186075 A JP 10186075A JP 10186075 A JP10186075 A JP 10186075A JP S5226236 A JPS5226236 A JP S5226236A
Authority
JP
Japan
Prior art keywords
zoom lens
lens system
aberration
lenses
affecting
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
JP10186075A
Other languages
Japanese (ja)
Other versions
JPS6034734B2 (en
Inventor
Naoto Kawamura
Akira Tajima
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 JP10186075A priority Critical patent/JPS6034734B2/en
Priority to DE19762637668 priority patent/DE2637668C2/en
Publication of JPS5226236A publication Critical patent/JPS5226236A/en
Priority to US05/906,762 priority patent/US4159865A/en
Publication of JPS6034734B2 publication Critical patent/JPS6034734B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

PURPOSE: In a zoom lens system comprising two groups of lenses, distortion aberration at the wide angle side van be corrected without affecting other aberration by providing a non-spherical surface to any of the surfaces therein.
COPYRIGHT: (C)1977,JPO&Japio
JP10186075A 1975-08-22 1975-08-22 Zoom lens system Expired JPS6034734B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP10186075A JPS6034734B2 (en) 1975-08-22 1975-08-22 Zoom lens system
DE19762637668 DE2637668C2 (en) 1975-08-22 1976-08-20 Varifocal lens
US05/906,762 US4159865A (en) 1975-08-22 1978-05-16 Zoom lens system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10186075A JPS6034734B2 (en) 1975-08-22 1975-08-22 Zoom lens system

Publications (2)

Publication Number Publication Date
JPS5226236A true JPS5226236A (en) 1977-02-26
JPS6034734B2 JPS6034734B2 (en) 1985-08-10

Family

ID=14311755

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10186075A Expired JPS6034734B2 (en) 1975-08-22 1975-08-22 Zoom lens system

Country Status (2)

Country Link
JP (1) JPS6034734B2 (en)
DE (1) DE2637668C2 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5535323A (en) * 1978-09-04 1980-03-12 Sigma:Kk Super wide-angle zoom lens
JPS5535336A (en) * 1978-09-01 1980-03-12 Fuji Photo Optical Co Ltd Wide angle zoom lens
JPS55163511A (en) * 1979-06-08 1980-12-19 Nippon Kogaku Kk <Nikon> 2-group constitution zoom lens
JPS5619022A (en) * 1979-07-24 1981-02-23 Canon Inc Zoom lens of small size
JPS5719708A (en) * 1980-07-10 1982-02-02 Konishiroku Photo Ind Co Ltd Zoom lens
JPS5748709A (en) * 1980-09-09 1982-03-20 Konishiroku Photo Ind Co Ltd Wide angle zoom lens system
JPS58111013A (en) * 1981-12-24 1983-07-01 Canon Inc Small-sized wide angle zoom lens
US5325236A (en) * 1991-03-04 1994-06-28 Canon Kabushiki Kaisha Ultra-wide-angle type zoom lens

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6035650B2 (en) * 1976-05-08 1985-08-15 株式会社ニコン Compact wide-angle zoom lens
FR2466785A1 (en) * 1979-09-28 1981-04-10 Philips Nv VARIABLE FOCAL OBJECTIVE FOLLOWING LARGE REPORTS COMPRISING ASPHERIC SURFACES
DE3521584A1 (en) * 1984-06-30 1986-01-09 Hans 3507 Baunatal Haas Colour television camera for inspecting hollow spaces inaccessible to direct visual inspection, such as, for example, pipes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143590A (en) * 1961-02-28 1964-08-04 Nippon Kogaku Kk Zoom lens
JPS492548A (en) * 1972-04-18 1974-01-10
SE363410B (en) * 1972-05-30 1974-01-14 Aga Ab

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5713852B2 (en) * 1978-09-01 1982-03-19
JPS5535336A (en) * 1978-09-01 1980-03-12 Fuji Photo Optical Co Ltd Wide angle zoom lens
JPS5535323A (en) * 1978-09-04 1980-03-12 Sigma:Kk Super wide-angle zoom lens
JPS5653729B2 (en) * 1978-09-04 1981-12-21
JPS55163511A (en) * 1979-06-08 1980-12-19 Nippon Kogaku Kk <Nikon> 2-group constitution zoom lens
JPS6144285B2 (en) * 1979-06-08 1986-10-02 Nippon Kogaku Kk
JPS5619022A (en) * 1979-07-24 1981-02-23 Canon Inc Zoom lens of small size
JPS6143687B2 (en) * 1979-07-24 1986-09-29 Canon Kk
JPS5719708A (en) * 1980-07-10 1982-02-02 Konishiroku Photo Ind Co Ltd Zoom lens
JPS5748709A (en) * 1980-09-09 1982-03-20 Konishiroku Photo Ind Co Ltd Wide angle zoom lens system
JPS6354162B2 (en) * 1980-09-09 1988-10-27 Konika Kk
JPS58111013A (en) * 1981-12-24 1983-07-01 Canon Inc Small-sized wide angle zoom lens
JPS6161653B2 (en) * 1981-12-24 1986-12-26 Canon Kk
US5325236A (en) * 1991-03-04 1994-06-28 Canon Kabushiki Kaisha Ultra-wide-angle type zoom lens

Also Published As

Publication number Publication date
JPS6034734B2 (en) 1985-08-10
DE2637668C2 (en) 1983-12-01
DE2637668A1 (en) 1977-03-03

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