JPS5355119A - Super wide angle lens of retrofocus - Google Patents

Super wide angle lens of retrofocus

Info

Publication number
JPS5355119A
JPS5355119A JP13033476A JP13033476A JPS5355119A JP S5355119 A JPS5355119 A JP S5355119A JP 13033476 A JP13033476 A JP 13033476A JP 13033476 A JP13033476 A JP 13033476A JP S5355119 A JPS5355119 A JP S5355119A
Authority
JP
Japan
Prior art keywords
wide angle
angle lens
retrofocus
super wide
scene
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
JP13033476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS618408B2 (enExample
Inventor
Keiji Ikemori
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 JP13033476A priority Critical patent/JPS5355119A/ja
Priority to DE19772748516 priority patent/DE2748516C2/de
Publication of JPS5355119A publication Critical patent/JPS5355119A/ja
Priority to US06/031,613 priority patent/US4310222A/en
Publication of JPS618408B2 publication Critical patent/JPS618408B2/ja
Granted 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/04—Reversed telephoto objectives

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
JP13033476A 1976-10-29 1976-10-29 Super wide angle lens of retrofocus Granted JPS5355119A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP13033476A JPS5355119A (en) 1976-10-29 1976-10-29 Super wide angle lens of retrofocus
DE19772748516 DE2748516C2 (de) 1976-10-29 1977-10-28 Weitwinkelobjektiv vom Typ umgekehrter Teleobjektive
US06/031,613 US4310222A (en) 1976-10-29 1979-04-18 Retro-focus type wide angle lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13033476A JPS5355119A (en) 1976-10-29 1976-10-29 Super wide angle lens of retrofocus

Publications (2)

Publication Number Publication Date
JPS5355119A true JPS5355119A (en) 1978-05-19
JPS618408B2 JPS618408B2 (enExample) 1986-03-14

Family

ID=15031870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13033476A Granted JPS5355119A (en) 1976-10-29 1976-10-29 Super wide angle lens of retrofocus

Country Status (2)

Country Link
JP (1) JPS5355119A (enExample)
DE (1) DE2748516C2 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431273A (en) * 1979-10-03 1984-02-14 Minolta Camera Kabushiki Kaisha Inverted telephoto type wide angle lens system
JP2001159732A (ja) * 1999-12-02 2001-06-12 Nikon Corp 超広角レンズ及び該レンズを備える撮影装置
JP2005316398A (ja) * 2004-03-31 2005-11-10 Nikon Corp 超広角レンズ、該超広角レンズを備えた撮影装置
JP2012063756A (ja) * 2010-08-19 2012-03-29 Pentax Ricoh Imaging Co Ltd レトロフォーカス型の広角レンズ系及びこれを有する光学機器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2628627B2 (ja) * 1985-01-11 1997-07-09 オリンパス光学工業株式会社 内視鏡用非球面対物レンズ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3832035A (en) * 1971-08-21 1974-08-27 Nippon Kogaku Kk Wide angle, retrofocus-type photo-taking lens
SE363410B (enExample) * 1972-05-30 1974-01-14 Aga Ab
JPS5652288B2 (enExample) * 1973-08-01 1981-12-11

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431273A (en) * 1979-10-03 1984-02-14 Minolta Camera Kabushiki Kaisha Inverted telephoto type wide angle lens system
JP2001159732A (ja) * 1999-12-02 2001-06-12 Nikon Corp 超広角レンズ及び該レンズを備える撮影装置
JP2005316398A (ja) * 2004-03-31 2005-11-10 Nikon Corp 超広角レンズ、該超広角レンズを備えた撮影装置
JP2012063756A (ja) * 2010-08-19 2012-03-29 Pentax Ricoh Imaging Co Ltd レトロフォーカス型の広角レンズ系及びこれを有する光学機器

Also Published As

Publication number Publication date
DE2748516A1 (de) 1978-07-13
JPS618408B2 (enExample) 1986-03-14
DE2748516C2 (de) 1986-05-22

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