JPS6119008B2 - - Google Patents

Info

Publication number
JPS6119008B2
JPS6119008B2 JP55122179A JP12217980A JPS6119008B2 JP S6119008 B2 JPS6119008 B2 JP S6119008B2 JP 55122179 A JP55122179 A JP 55122179A JP 12217980 A JP12217980 A JP 12217980A JP S6119008 B2 JPS6119008 B2 JP S6119008B2
Authority
JP
Japan
Prior art keywords
lens
auxiliary
main
positive
aberration
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
JP55122179A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5746224A (en
Inventor
Yasuyuki Yamada
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 JP55122179A priority Critical patent/JPS5746224A/ja
Priority to US06/296,649 priority patent/US4394071A/en
Publication of JPS5746224A publication Critical patent/JPS5746224A/ja
Publication of JPS6119008B2 publication Critical patent/JPS6119008B2/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 -
    • G02B9/62—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP55122179A 1980-09-03 1980-09-03 Lens system equipped with auxiliary lens Granted JPS5746224A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55122179A JPS5746224A (en) 1980-09-03 1980-09-03 Lens system equipped with auxiliary lens
US06/296,649 US4394071A (en) 1980-09-03 1981-08-27 Lens system with fill-in lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55122179A JPS5746224A (en) 1980-09-03 1980-09-03 Lens system equipped with auxiliary lens

Publications (2)

Publication Number Publication Date
JPS5746224A JPS5746224A (en) 1982-03-16
JPS6119008B2 true JPS6119008B2 (OSRAM) 1986-05-15

Family

ID=14829527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55122179A Granted JPS5746224A (en) 1980-09-03 1980-09-03 Lens system equipped with auxiliary lens

Country Status (2)

Country Link
US (1) US4394071A (OSRAM)
JP (1) JPS5746224A (OSRAM)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5918916A (ja) * 1982-07-23 1984-01-31 Canon Inc テツサ−型の撮影レンズ
JPS5929214A (ja) * 1982-08-11 1984-02-16 Ricoh Co Ltd 焦点距離の変換可能なレンズ系
JPS5984212A (ja) * 1982-11-05 1984-05-15 Canon Inc 補助レンズを備えたレンズ系
JPS59159167A (ja) * 1983-03-01 1984-09-08 Zenko Hirose アモルフアスシリコン膜の形成方法
JPS60170815A (ja) * 1984-02-16 1985-09-04 Olympus Optical Co Ltd 後群交換式変倍レンズ
US4768868A (en) * 1984-02-28 1988-09-06 Nippon Kogaku K. K. Rear conversion lens
JPS60186816A (ja) * 1984-03-07 1985-09-24 Olympus Optical Co Ltd 切換え補助レンズを有する小型変倍レンズ系
JPS6182466A (ja) * 1984-09-29 1986-04-26 Toshiba Corp 光センサ
JPS61284716A (ja) * 1985-06-10 1986-12-15 Canon Inc アタツチメントレンズ
US4830474A (en) * 1985-12-12 1989-05-16 Canon Kabushiki Kaisha Variable magnification optical system
JPS62160415A (ja) * 1986-01-09 1987-07-16 Minolta Camera Co Ltd リア・コンバ−ジヨンレンズ系
US4929068A (en) * 1986-09-01 1990-05-29 Canon Kabushiki Kaisha Conversion lens
JPS63234211A (ja) * 1987-03-23 1988-09-29 Minolta Camera Co Ltd リアコンバ−タ−レンズ
US5327291A (en) * 1992-03-30 1994-07-05 Polaroid Corporation Compact objective lens
US5499069A (en) * 1994-05-24 1996-03-12 Eastman Kodak Company Camera system and an optical adapter to reduce image format size
JPH11311739A (ja) * 1998-04-28 1999-11-09 Asahi Optical Co Ltd 望遠鏡対物レンズ系
US6400515B1 (en) 1999-02-01 2002-06-04 Minolta Co., Ltd. Taking optical system, image taking apparatus, and method for converting frame-format in a taking optical system
JP5601857B2 (ja) * 2009-04-07 2014-10-08 富士フイルム株式会社 撮像レンズおよび撮像装置、ならびに携帯端末機器
US20140211009A1 (en) * 2013-01-25 2014-07-31 Magna Electronics Inc. Lens assembly for vehicle vision system camera
JP6818488B2 (ja) * 2016-09-30 2021-01-20 キヤノン株式会社 コンバージョンレンズおよびそれを有する撮影光学系、光学機器
CN109507782B (zh) * 2017-09-15 2021-05-11 信泰光学(深圳)有限公司 成像镜头
CN108594405A (zh) * 2018-05-29 2018-09-28 中国计量大学 一种折衍混合广角镜头
JP7415642B2 (ja) * 2020-02-19 2024-01-17 株式会社リコー 結像レンズおよびカメラおよび携帯情報端末装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB995932A (en) * 1963-04-19 1965-06-23 Thomas Ballantyne Clerk Improvements in or relating to lens systems
US3741621A (en) * 1971-04-01 1973-06-26 Xerox Corp Add lens projection system with balanced performance
JPS5425820A (en) * 1977-07-29 1979-02-27 Nippon Chemical Ind Rear conversion lens

Also Published As

Publication number Publication date
US4394071A (en) 1983-07-19
JPS5746224A (en) 1982-03-16

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