NL7809235A - Objectief lens. - Google Patents

Objectief lens. Download PDF

Info

Publication number
NL7809235A
NL7809235A NL7809235A NL7809235A NL7809235A NL 7809235 A NL7809235 A NL 7809235A NL 7809235 A NL7809235 A NL 7809235A NL 7809235 A NL7809235 A NL 7809235A NL 7809235 A NL7809235 A NL 7809235A
Authority
NL
Netherlands
Prior art keywords
lens
glass
lens group
crown
flint
Prior art date
Application number
NL7809235A
Other languages
English (en)
Dutch (nl)
Original Assignee
Pilkington Perkin Elmer Ltd
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 Pilkington Perkin Elmer Ltd filed Critical Pilkington Perkin Elmer Ltd
Publication of NL7809235A publication Critical patent/NL7809235A/nl

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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/16—Optical objectives specially designed for the purposes specified below for use in conjunction with image converters or intensifiers, or for use with projectors, e.g. objectives for projection TV

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
NL7809235A 1977-09-13 1978-09-11 Objectief lens. NL7809235A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB3819477 1977-09-13
GB3819477 1977-09-13

Publications (1)

Publication Number Publication Date
NL7809235A true NL7809235A (nl) 1981-03-31

Family

ID=10401869

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7809235A NL7809235A (nl) 1977-09-13 1978-09-11 Objectief lens.

Country Status (4)

Country Link
US (1) US4329024A (de)
DE (1) DE2839250A1 (de)
FR (1) FR2472761A1 (de)
NL (1) NL7809235A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4702569A (en) * 1982-09-20 1987-10-27 Lockheed Missiles & Space Company, Inc. Color-corrected Petzval lens systems
US5329363A (en) * 1993-06-15 1994-07-12 U. S. Precision Lens Incorporated Projection lens systems having reduced spherochromatism
DE19612846C2 (de) * 1996-03-30 2000-04-20 Zeiss Carl Jena Gmbh Anordnung zur Erzeugung eines definierten Farblängsfehlers in einem konfokalen mikroskopischen Strahlengang
CA2483744A1 (en) * 2002-03-14 2003-09-25 Science & Engineering Associates, Inc. Multiple imaging system and method for designing same
US7733581B2 (en) * 2007-08-24 2010-06-08 Caldwell J Brian Large aperture imaging optical system
US8169717B2 (en) * 2007-08-24 2012-05-01 Caldwell Photographic, Inc. Large aperture imaging optical systems
DE202008017861U1 (de) 2008-03-11 2010-09-23 Carl Zeiss Sports Optics Gmbh Optisches System
US10261290B2 (en) 2015-12-28 2019-04-16 Alex Ning Compact wide angle lens
RU2631538C1 (ru) * 2016-05-23 2017-09-25 Акционерное общество "Конструкторское бюро приборостроения им. академика А.Г. Шипунова" Объектив для ближней ИК-области спектра
US10437021B1 (en) 2016-09-28 2019-10-08 Alex Ning High performance lenses
US10641993B1 (en) 2017-01-19 2020-05-05 Alex Ning Compact wide angle lens with low distortion
US10935761B1 (en) 2018-03-22 2021-03-02 Alex Ning Large aperture compact lenses
US11181725B1 (en) 2018-11-09 2021-11-23 Alex Ning Wide-angle hyperspectral lenses
RU195924U1 (ru) * 2019-11-13 2020-02-11 Открытое Акционерное Общество "Пеленг" Объектив

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1187033B (de) * 1961-08-02 1965-02-11 Schneider Co Optische Werke Photographisches oder kinematographisches Objektiv langer Brennweite und hoher Lichtstaerke
GB1019592A (en) * 1961-10-12 1966-02-09 Communications Patents Ltd Improvements in or relating to optical lens systems
US3333053A (en) * 1964-05-27 1967-07-25 Frank G Back Optical system for color television camera
GB1284612A (en) * 1968-09-27 1972-08-09 Matushita Electric Ind Company Articulated laser beam guide tube
US3709582A (en) * 1971-05-21 1973-01-09 Gen Electric High performance folded objective lens

Also Published As

Publication number Publication date
FR2472761B1 (de) 1984-08-17
US4329024A (en) 1982-05-11
DE2839250A1 (de) 1981-12-03
FR2472761A1 (fr) 1981-07-03

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed