FR2416489A1 - Objectif photographique de gauss - Google Patents

Objectif photographique de gauss

Info

Publication number
FR2416489A1
FR2416489A1 FR7902799A FR7902799A FR2416489A1 FR 2416489 A1 FR2416489 A1 FR 2416489A1 FR 7902799 A FR7902799 A FR 7902799A FR 7902799 A FR7902799 A FR 7902799A FR 2416489 A1 FR2416489 A1 FR 2416489A1
Authority
FR
France
Prior art keywords
converging
gauss
lens
meniscus
photographic lens
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
FR7902799A
Other languages
English (en)
Other versions
FR2416489B1 (fr
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
Publication of FR2416489A1 publication Critical patent/FR2416489A1/fr
Application granted granted Critical
Publication of FR2416489B1 publication Critical patent/FR2416489B1/fr
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 -
    • G02B9/60—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having five components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

L'invention concerne les objectifs photographiques de Gauss. Elle se rapporte à un objectif qui comprend un premier groupe convergent G1 ayant un élément convergent L1, un ménisque convergent L2 et un ménisque divergent L3, et un second groupe convergent G2 comprenant un élément collé L4 comprenant un ménisque collé à un élément convergent, et un élément convergent L5. L'objectif est peu encombrant et a d'excellentes caractéristiques optiques. Application aux objectifs pour appareil réflex mono-objectifs.
FR7902799A 1978-02-03 1979-02-02 Objectif photographique de gauss Granted FR2416489A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1052578A JPS54104334A (en) 1978-02-03 1978-02-03 Gauss type photographic lens

Publications (2)

Publication Number Publication Date
FR2416489A1 true FR2416489A1 (fr) 1979-08-31
FR2416489B1 FR2416489B1 (fr) 1981-12-11

Family

ID=11752655

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7902799A Granted FR2416489A1 (fr) 1978-02-03 1979-02-02 Objectif photographique de gauss

Country Status (4)

Country Link
US (1) US4234242A (fr)
JP (1) JPS54104334A (fr)
DE (1) DE2904023C2 (fr)
FR (1) FR2416489A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4444473A (en) * 1979-10-04 1984-04-24 Minolta Camera Kabushiki Kaisha Gauss type lens system
JPS56107209A (en) * 1980-01-31 1981-08-26 Nippon Kogaku Kk <Nikon> Photographic lens of large aperture ratio corrected for short distance
JPS59121018A (ja) * 1982-12-27 1984-07-12 Asahi Optical Co Ltd 拡大撮影用写真レンズ
JPS61124913A (ja) * 1984-11-22 1986-06-12 Konishiroku Photo Ind Co Ltd 変形ガウス型レンズ
JPS63145876U (fr) * 1987-03-13 1988-09-27
JP2648028B2 (ja) * 1991-01-30 1997-08-27 株式会社テック 調理器
JP5402015B2 (ja) * 2008-03-04 2014-01-29 株式会社ニコン リアフォーカス光学系、撮像装置、リアフォーカス光学系の合焦方法
JP5966728B2 (ja) * 2012-07-30 2016-08-10 リコーイメージング株式会社 大口径レンズ系
BE1029901B1 (nl) 2021-11-05 2023-06-05 Isostar Bvba Geëxpandeerd polystyreen met een latex voor vloertoepassingen

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715454A1 (de) * 1976-04-06 1977-10-13 Olympus Optical Co Fotografisches objektiv vom gauss- typ mit grossem oeffnungsverhaeltnis

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5443386B1 (fr) * 1970-12-25 1979-12-19
JPS5288020A (en) * 1976-01-16 1977-07-22 Nippon Chemical Ind Deformed gauss type photographic lens
DE2711971A1 (de) * 1976-03-23 1977-10-06 Olympus Optical Co Fotografisches objektiv vom abgewandelten gauss-typ
JPS5820006B2 (ja) * 1976-03-23 1983-04-21 オリンパス光学工業株式会社 写真レンズ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715454A1 (de) * 1976-04-06 1977-10-13 Olympus Optical Co Fotografisches objektiv vom gauss- typ mit grossem oeffnungsverhaeltnis

Also Published As

Publication number Publication date
JPS54104334A (en) 1979-08-16
DE2904023A1 (de) 1979-08-09
US4234242A (en) 1980-11-18
FR2416489B1 (fr) 1981-12-11
JPS6155089B2 (fr) 1986-11-26
DE2904023C2 (de) 1982-11-25

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse