JPS6135532B2 - - Google Patents

Info

Publication number
JPS6135532B2
JPS6135532B2 JP56058805A JP5880581A JPS6135532B2 JP S6135532 B2 JPS6135532 B2 JP S6135532B2 JP 56058805 A JP56058805 A JP 56058805A JP 5880581 A JP5880581 A JP 5880581A JP S6135532 B2 JPS6135532 B2 JP S6135532B2
Authority
JP
Japan
Prior art keywords
lens group
lens
group
focal length
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
JP56058805A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57172310A (en
Inventor
Masatake Kato
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 JP56058805A priority Critical patent/JPS57172310A/ja
Priority to US06/364,185 priority patent/US4478496A/en
Priority to DE19823213910 priority patent/DE3213910A1/de
Publication of JPS57172310A publication Critical patent/JPS57172310A/ja
Publication of JPS6135532B2 publication Critical patent/JPS6135532B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G02B9/14—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - +

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP56058805A 1981-04-17 1981-04-17 Zoom lens Granted JPS57172310A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56058805A JPS57172310A (en) 1981-04-17 1981-04-17 Zoom lens
US06/364,185 US4478496A (en) 1981-04-17 1982-03-31 Zoom lens
DE19823213910 DE3213910A1 (de) 1981-04-17 1982-04-15 Varioobjektiv

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56058805A JPS57172310A (en) 1981-04-17 1981-04-17 Zoom lens

Publications (2)

Publication Number Publication Date
JPS57172310A JPS57172310A (en) 1982-10-23
JPS6135532B2 true JPS6135532B2 (en, 2012) 1986-08-13

Family

ID=13094807

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56058805A Granted JPS57172310A (en) 1981-04-17 1981-04-17 Zoom lens

Country Status (3)

Country Link
US (1) US4478496A (en, 2012)
JP (1) JPS57172310A (en, 2012)
DE (1) DE3213910A1 (en, 2012)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898719A (ja) * 1981-12-08 1983-06-11 Olympus Optical Co Ltd ズ−レンズ
JPS58199313A (ja) * 1982-05-17 1983-11-19 Canon Inc 望遠ズ−ムレンズ
JPH071335B2 (ja) * 1985-05-31 1995-01-11 オリンパス光学工業株式会社 望遠ズ−ムレンズ
JPS62187315A (ja) * 1986-02-14 1987-08-15 Ricoh Co Ltd 超小型なズ−ムレンズ
JP2558454B2 (ja) * 1987-02-06 1996-11-27 旭光学工業株式会社 コンパクトなズ−ムレンズ
US5100223A (en) * 1989-06-26 1992-03-31 Matsushita Electric Industrial Co., Ltd. Zoom lens
JP3008580B2 (ja) * 1991-07-12 2000-02-14 キヤノン株式会社 ズームレンズ
JP2014126851A (ja) * 2012-12-27 2014-07-07 Tamron Co Ltd ズームレンズ及び撮像装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1269817B (de) * 1963-03-08 1968-06-06 Raimund Hauser Dr Naheinstellung pankratischer Objektive
US3784283A (en) * 1971-04-14 1974-01-08 Vockenhuber Karl Zoom lens for super-8 film
DE2309609A1 (de) * 1972-03-09 1973-09-20 William E Van Hoose Drehmomentbegrenzungs-schraubenschluessel
AT333051B (de) * 1972-10-16 1976-11-10 Eumig Pankratisches objektiv
JPS6055806B2 (ja) * 1974-09-25 1985-12-06 コニカ株式会社 コンパクトズ−ムレンズ
JPS5163635A (en) * 1975-10-15 1976-06-02 Kino Seimitsu Kogyo Kk Zuumurenzu
JPS6034732B2 (ja) * 1975-11-05 1985-08-10 キヤノン株式会社 至近距離の短いズームレンズ
JPS53131852A (en) * 1977-04-22 1978-11-17 Nippon Chemical Ind Tele zoom lens
JPS55156912A (en) * 1979-05-16 1980-12-06 Asahi Optical Co Ltd High variable power zoom lens including wide angle
JPS55161207A (en) * 1979-06-04 1980-12-15 Canon Inc Zoom lens of small size

Also Published As

Publication number Publication date
DE3213910A1 (de) 1982-12-23
JPS57172310A (en) 1982-10-23
US4478496A (en) 1984-10-23
DE3213910C2 (en, 2012) 1991-12-05

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