DE2748516C2 - Weitwinkelobjektiv vom Typ umgekehrter Teleobjektive - Google Patents

Weitwinkelobjektiv vom Typ umgekehrter Teleobjektive

Info

Publication number
DE2748516C2
DE2748516C2 DE19772748516 DE2748516A DE2748516C2 DE 2748516 C2 DE2748516 C2 DE 2748516C2 DE 19772748516 DE19772748516 DE 19772748516 DE 2748516 A DE2748516 A DE 2748516A DE 2748516 C2 DE2748516 C2 DE 2748516C2
Authority
DE
Germany
Prior art keywords
lens
subgroup
meniscus
aspherical
angle
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
DE19772748516
Other languages
German (de)
English (en)
Other versions
DE2748516A1 (de
Inventor
Keiji Yokohama Kanagawa 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
Publication of DE2748516A1 publication Critical patent/DE2748516A1/de
Application granted granted Critical
Publication of DE2748516C2 publication Critical patent/DE2748516C2/de
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
    • 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)
DE19772748516 1976-10-29 1977-10-28 Weitwinkelobjektiv vom Typ umgekehrter Teleobjektive Expired DE2748516C2 (de)

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
DE2748516A1 DE2748516A1 (de) 1978-07-13
DE2748516C2 true DE2748516C2 (de) 1986-05-22

Family

ID=15031870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772748516 Expired DE2748516C2 (de) 1976-10-29 1977-10-28 Weitwinkelobjektiv vom Typ umgekehrter Teleobjektive

Country Status (2)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5651709A (en) * 1979-10-03 1981-05-09 Minolta Camera Co Ltd Reverse telephoto type wide angle lens
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
JP4862263B2 (ja) * 2004-03-31 2012-01-25 株式会社ニコン 超広角レンズ、該超広角レンズを備えた撮影装置
JP5786537B2 (ja) * 2010-08-19 2015-09-30 リコーイメージング株式会社 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

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 (OSRAM) * 1972-05-30 1974-01-14 Aga Ab
JPS5652288B2 (OSRAM) * 1973-08-01 1981-12-11

Also Published As

Publication number Publication date
DE2748516A1 (de) 1978-07-13
JPS5355119A (en) 1978-05-19
JPS618408B2 (OSRAM) 1986-03-14

Similar Documents

Publication Publication Date Title
DE3526872C2 (OSRAM)
DE19636152C2 (de) Kompaktes Weitwinkelobjektiv
DE19736594C2 (de) Superweitwinkelobjektiv vom Typ umgekehrter Teleobjektive
DE10221401A1 (de) Endoskop-Objektivoptik
DE19858785C2 (de) Endoskopobjektiv sowie Endoskop mit einem derartigen Objektiv
DE4139431C2 (de) Varioobjektiv
DE4135807C2 (de) Varioobjektiv für eine Kompaktkamera
DE3119993A1 (de) "weitwinkelobjektiv"
DE19708523C2 (de) Zoom-Objektiv mit weitem Bereich
DE2433944B2 (de) Weitwinkelobjektiv
DE3007417C2 (de) Varioobjektiv
DE2845600B2 (de) Mechanisch kompensiertes Varioobjektiv
DE4221814A1 (de) Zoomlinsensystem
DE4037213C2 (de) Varioobjektiv für eine Kompaktkamera
DE10210241A1 (de) Weitwinkel-Dreigruppen-Zoomobjektiv
DE4230416B4 (de) Varioobjektiv
DE19644493B4 (de) Varioobjektiv
DE19812295C2 (de) Variolinsensystem
DE2637668C2 (de) Varioobjektiv
DE3200949A1 (de) Kompakt-weitwinkel-varioobjektiv
DE4335283B4 (de) Variolinsensystem
DE2757089C3 (de) Symmetrisches Objektiv
DE2315744C2 (de) Weitwinkelobjektiv vom Typ umgekehrter Teleobjektive
DE2748516C2 (de) Weitwinkelobjektiv vom Typ umgekehrter Teleobjektive
DE2557462C3 (de) Weitwinkelobjektiv

Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition