JPS6358324B2 - - Google Patents

Info

Publication number
JPS6358324B2
JPS6358324B2 JP56153206A JP15320681A JPS6358324B2 JP S6358324 B2 JPS6358324 B2 JP S6358324B2 JP 56153206 A JP56153206 A JP 56153206A JP 15320681 A JP15320681 A JP 15320681A JP S6358324 B2 JPS6358324 B2 JP S6358324B2
Authority
JP
Japan
Prior art keywords
lens
group
positive
lens group
object side
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
JP56153206A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5854312A (ja
Inventor
Yoshinori Hamanishi
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Priority to JP56153206A priority Critical patent/JPS5854312A/ja
Priority to US06/421,421 priority patent/US4468097A/en
Publication of JPS5854312A publication Critical patent/JPS5854312A/ja
Publication of JPS6358324B2 publication Critical patent/JPS6358324B2/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 -
    • G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
    • 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 +-++

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP56153206A 1981-09-28 1981-09-28 ４群構成大口径比ズ−ムレンズ Granted JPS5854312A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56153206A JPS5854312A (ja) 1981-09-28 1981-09-28 ４群構成大口径比ズ−ムレンズ
US06/421,421 US4468097A (en) 1981-09-28 1982-09-22 Four-group great aperture ratio zoom lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56153206A JPS5854312A (ja) 1981-09-28 1981-09-28 ４群構成大口径比ズ−ムレンズ

Publications (2)

Publication Number Publication Date
JPS5854312A JPS5854312A (ja) 1983-03-31
JPS6358324B2 true JPS6358324B2 (en, 2012) 1988-11-15

Family

ID=15557359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56153206A Granted JPS5854312A (ja) 1981-09-28 1981-09-28 ４群構成大口径比ズ−ムレンズ

Country Status (2)

Country Link
US (1) US4468097A (en, 2012)
JP (1) JPS5854312A (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59180518A (ja) * 1983-03-30 1984-10-13 Nippon Kogaku Kk <Nikon> ４群構成望遠ズ−ムレンズ
JPS59188611A (ja) * 1983-04-09 1984-10-26 Olympus Optical Co Ltd ズ−ムレンズ
JPH05323192A (ja) * 1992-05-26 1993-12-07 Fuji Photo Optical Co Ltd 可変焦点距離レンズ
JP3266653B2 (ja) * 1992-07-13 2002-03-18 旭光学工業株式会社 望遠ズームレンズ
JPH08234105A (ja) * 1995-02-24 1996-09-13 Olympus Optical Co Ltd 望遠ズームレンズ
JP4890006B2 (ja) * 2005-11-10 2012-03-07 株式会社タムロン ズームレンズ
JP6692304B2 (ja) * 2017-01-27 2020-05-13 富士フイルム株式会社 ズームレンズおよび撮像装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE2936676A1 (de) * 1978-09-11 1980-03-20 Vivitar Corp Varioobjektiv
JPS5642208A (en) * 1979-09-17 1981-04-20 Canon Inc Compact zoom lens

Also Published As

Publication number Publication date
JPS5854312A (ja) 1983-03-31
US4468097A (en) 1984-08-28

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