SE8006688L - Objektiv med asferiska ytor vilkas brennvidd er variabel inom ett stort omrade - Google Patents

Objektiv med asferiska ytor vilkas brennvidd er variabel inom ett stort omrade

Info

Publication number
SE8006688L
SE8006688L SE8006688A SE8006688A SE8006688L SE 8006688 L SE8006688 L SE 8006688L SE 8006688 A SE8006688 A SE 8006688A SE 8006688 A SE8006688 A SE 8006688A SE 8006688 L SE8006688 L SE 8006688L
Authority
SE
Sweden
Prior art keywords
objective
lenses
spherical
variable
aspherical surface
Prior art date
Application number
SE8006688A
Other languages
Unknown language ( )
English (en)
Other versions
SE450917B (sv
Inventor
E A Huques
J-M Bacchus
J Haisma
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE8006688L publication Critical patent/SE8006688L/sv
Publication of SE450917B publication Critical patent/SE450917B/sv

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
SE8006688A 1979-09-28 1980-09-25 Objektiv med asferiska ytor och med en brennvidd som er variabel inom ett brett omrade SE450917B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7924154A FR2466785A1 (fr) 1979-09-28 1979-09-28 Objectif a focale variable suivant de grands rapports comportant des surfaces aspheriques

Publications (2)

Publication Number Publication Date
SE8006688L true SE8006688L (sv) 1981-03-29
SE450917B SE450917B (sv) 1987-08-10

Family

ID=9230102

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8006688A SE450917B (sv) 1979-09-28 1980-09-25 Objektiv med asferiska ytor och med en brennvidd som er variabel inom ett brett omrade

Country Status (10)

Country Link
US (1) US4416518A (sv)
JP (1) JPS5657018A (sv)
AU (1) AU536162B2 (sv)
CH (1) CH655802A5 (sv)
DE (1) DE3035744A1 (sv)
FR (1) FR2466785A1 (sv)
GB (1) GB2062280B (sv)
IT (1) IT1132751B (sv)
NL (1) NL8005339A (sv)
SE (1) SE450917B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0617938B2 (ja) * 1982-08-16 1994-03-09 オリンパス光学工業株式会社 ズームレンズ
JPH0668574B2 (ja) * 1984-06-27 1994-08-31 オリンパス光学工業株式会社 大口径変倍レンズ系
GB2168502A (en) * 1984-12-14 1986-06-18 Philips Electronic Associated Projection lens system
GB2168501A (en) * 1984-12-14 1986-06-18 Philips Electronic Associated Projection lens system
JP2607893B2 (ja) * 1987-10-02 1997-05-07 オリンパス光学工業株式会社 ズームレンズ
JPH01185608A (ja) * 1988-01-20 1989-07-25 Olympus Optical Co Ltd 変倍レンズ
JP2596817B2 (ja) * 1988-09-07 1997-04-02 オリンパス光学工業株式会社 ズームレンズ
JPH0560973A (ja) * 1991-09-02 1993-03-12 Olympus Optical Co Ltd 全長の短い変倍レンズ
US5321553A (en) * 1992-03-10 1994-06-14 Nikon Corporation Zoom lens
DE102016125402B4 (de) 2016-12-22 2018-12-20 Carl Zeiss Ag Kompaktes Kameraobjektiv höchster Abbildungsgüte für eine Kamera mit Vollformatsensor, Verwendung eines solchen Kameraobjektivs und Foto- oder Filmkamera mit einem solchen Kameraobjektiv
RU189843U1 (ru) * 2017-11-21 2019-06-06 Открытое Акционерное Общество "Пеленг" Объектив с дискретным изменением фокусного расстояния

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1196392B (de) * 1963-07-06 1965-07-08 Leitz Ernst Gmbh Pankratisches Objektiv fuer Mikroskope
US3920315A (en) * 1974-10-15 1975-11-18 Bell & Howell Co Zoom projection lens
US3972592A (en) * 1974-10-18 1976-08-03 Eastman Kodak Company Zoom projection lens
JPS5928104B2 (ja) * 1975-03-25 1984-07-10 株式会社リコー シ−ト後端クランプ装置
JPS5913003B2 (ja) * 1975-06-06 1984-03-27 キヤノン株式会社 ズ−ムレンズ系
JPS6034734B2 (ja) * 1975-08-22 1985-08-10 キヤノン株式会社 ズ−ムレンズ系
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
US4043641A (en) * 1976-07-16 1977-08-23 American Optical Corporation Three-lens system providing a variable focal power along one principal meridian
JPS54127322A (en) * 1978-03-27 1979-10-03 Canon Inc Zoom lens

Also Published As

Publication number Publication date
AU6288680A (en) 1981-04-09
NL8005339A (nl) 1981-03-31
FR2466785B1 (sv) 1982-02-05
IT8024916A0 (it) 1980-09-25
JPS5657018A (en) 1981-05-19
US4416518A (en) 1983-11-22
FR2466785A1 (fr) 1981-04-10
IT1132751B (it) 1986-07-02
AU536162B2 (en) 1984-04-19
GB2062280A (en) 1981-05-20
DE3035744A1 (de) 1981-04-16
SE450917B (sv) 1987-08-10
CH655802A5 (de) 1986-05-15
GB2062280B (en) 1984-02-29

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