NL8202540A - Afocale telescoop. - Google Patents

Afocale telescoop. Download PDF

Info

Publication number
NL8202540A
NL8202540A NL8202540A NL8202540A NL8202540A NL 8202540 A NL8202540 A NL 8202540A NL 8202540 A NL8202540 A NL 8202540A NL 8202540 A NL8202540 A NL 8202540A NL 8202540 A NL8202540 A NL 8202540A
Authority
NL
Netherlands
Prior art keywords
telescope
eyepiece
air
tables
field
Prior art date
Application number
NL8202540A
Other languages
English (en)
Dutch (nl)
Original Assignee
Barr & Stroud 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 Barr & Stroud Ltd filed Critical Barr & Stroud Ltd
Publication of NL8202540A publication Critical patent/NL8202540A/nl

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00Optical objectives with means for varying the magnification
    • G02B15/02Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/14Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/22Telecentric objectives or lens systems
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00Eyepieces; Magnifying glasses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
NL8202540A 1981-07-01 1982-06-23 Afocale telescoop. NL8202540A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8120274 1981-07-01
GB8120274 1981-07-01

Publications (1)

Publication Number Publication Date
NL8202540A true NL8202540A (nl) 1983-02-01

Family

ID=10522927

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8202540A NL8202540A (nl) 1981-07-01 1982-06-23 Afocale telescoop.

Country Status (11)

Country Link
US (1) US4486069A (cs)
BE (1) BE893703A (cs)
CH (1) CH663096A5 (cs)
DE (1) DE3223974A1 (cs)
FR (1) FR2509057B1 (cs)
IN (1) IN159613B (cs)
IT (1) IT1155700B (cs)
NL (1) NL8202540A (cs)
NO (1) NO822299L (cs)
SE (1) SE457754B (cs)
YU (1) YU138082A (cs)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4659171A (en) * 1984-05-22 1987-04-21 Barr & Stroud Limited Infrared afocal refractor telescope
US4802717A (en) * 1986-04-21 1989-02-07 Hughes Aircraft Company Infrared afocal zoom telescope
US5077239A (en) * 1990-01-16 1991-12-31 Westinghouse Electric Corp. Chalcogenide glass, associated method and apparatus
FR2667695B1 (fr) * 1990-10-09 1993-08-27 Thomson Trt Defense Systeme d'objectifs a athermalisation optique.
JP3190379B2 (ja) * 1991-09-26 2001-07-23 オリンパス光学工業株式会社 切り換え式変倍ファインダー
US5204774A (en) * 1991-12-06 1993-04-20 Varo Inc. Night vision goggle with improved optical system
US5229880A (en) * 1992-03-09 1993-07-20 Hughes Aircraft Company Three field of view refractive afocal telescope
US6423969B1 (en) 1994-09-22 2002-07-23 Lockheed Martin Corporation Dual infrared band objective lens
US5548439A (en) * 1994-12-27 1996-08-20 Hughes Aircraft Company Three field of view refractive infrared telescope with fixed medium filed of view
DE19647273A1 (de) 1996-11-15 1998-05-20 Zeiss Carl Fa Modulares Infrarot-Kepler-Fernrohr
US5907433A (en) * 1997-06-16 1999-05-25 Versatron Corporation Compact variable field of view optical system
US6274868B1 (en) * 1997-07-23 2001-08-14 The United States Of America As Represented By The Secretary Of The Army All purpose FLIR kit for aircraft
US5920426A (en) * 1997-11-20 1999-07-06 Panavision, Inc. Telescopic viewfinder optical system
US6646799B1 (en) * 2000-08-30 2003-11-11 Science Applications International Corporation System and method for combining multiple energy bands to improve scene viewing
US7218444B2 (en) * 2004-05-03 2007-05-15 Raytheon Company Dual-band, dual-focal-length, relayed refractive imager
DE102005002710A1 (de) * 2005-01-19 2006-07-27 Linos Photonics Gmbh & Co. Kg Optisches System
DE102006003575A1 (de) * 2006-01-25 2007-07-26 Carl Zeiss Surgical Gmbh Optisches System, Verwendung eines optischen Systems sowie Verfahren zur Betrachtung eines Objektes mit einem optischen System
GB0705910D0 (en) * 2007-03-27 2007-05-09 Dsam London Llp Optical arrangement
WO2009111642A1 (en) * 2008-03-05 2009-09-11 Contrast Optical Design & Engineering, Inc. Multiple image camera and lens system
US8320047B2 (en) * 2008-03-28 2012-11-27 Contrast Optical Design & Engineering, Inc. Whole beam image splitting system
US7880978B2 (en) * 2008-08-25 2011-02-01 Acm Projektentwicklung Gmbh Objective lens system
US8508864B2 (en) * 2008-08-25 2013-08-13 Acm Projektentwicklung Gmbh Objective lens system
RU2386156C1 (ru) * 2008-10-15 2010-04-10 Институт физики полупроводников СО РАН Оптическая система с вынесенными зрачками для инфракрасной области спектра
EP2476021B1 (en) * 2009-09-10 2019-11-20 Contrast, Inc. Whole beam image splitting system
US8724216B2 (en) * 2010-12-22 2014-05-13 The United States Of America As Represented By The Secretary Of The Army Dual band infrared continuous zoom lens
JP5867270B2 (ja) * 2012-04-26 2016-02-24 株式会社ニコン 防振赤外光学系及び赤外線撮像装置
US9235038B1 (en) * 2012-08-02 2016-01-12 George H. Seward Tube lens with long front tube length within optical system for digital pathology
US9904032B2 (en) 2015-11-11 2018-02-27 Tele Vue Optics, Inc. Macro accessory for telescope
US10257394B2 (en) 2016-02-12 2019-04-09 Contrast, Inc. Combined HDR/LDR video streaming
US10264196B2 (en) 2016-02-12 2019-04-16 Contrast, Inc. Systems and methods for HDR video capture with a mobile device
CA3033242A1 (en) 2016-08-09 2018-02-15 Contrast, Inc. Real-time hdr video for vehicle control
US11265530B2 (en) 2017-07-10 2022-03-01 Contrast, Inc. Stereoscopic camera
US10951888B2 (en) 2018-06-04 2021-03-16 Contrast, Inc. Compressed high dynamic range video
US11303932B2 (en) 2018-08-14 2022-04-12 Contrast, Inc. Image compression

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1553211A (en) * 1921-08-26 1925-09-08 Barr & Stroud Ltd Attachment for varying the magnifying power of telescopes
FR617707A (fr) * 1926-04-07 1927-02-24 Oculaire-multiplicateur
DE501456C (de) * 1929-04-10 1930-07-14 Bertele Ludwig Okular
DE1813085A1 (de) * 1968-12-06 1970-06-25 Eltro Gmbh Zweigliedriges Objektiv fuer mittleres Infrarot
GB1594966A (en) * 1977-06-01 1981-08-05 Pilkington Perkin Elmer Ltd Infra-red optical lens sytems
SU654926A1 (ru) * 1977-07-26 1979-03-30 Предприятие П/Я Р-6681 Окул р
SE446132B (sv) * 1979-08-08 1986-08-11 Pilkington Perkin Elmer Ltd "ogonlins"-system for infrarott ljus
GB2072871B (en) * 1980-03-05 1984-02-22 Barr & Stroud Ltd Afocal refractor telescopes
GB2074751B (en) * 1980-04-26 1983-10-12 Barr & Stroud Ltd Eyepiece or collimation lens system
GB2085184B (en) * 1980-10-08 1984-12-12 Barr & Stroud Ltd Afocal dual magnification refractor telescopes

Also Published As

Publication number Publication date
FR2509057A1 (fr) 1983-01-07
SE8203900D0 (sv) 1982-06-23
NO822299L (no) 1983-01-03
IT8267816A0 (it) 1982-06-29
IT1155700B (it) 1987-01-28
US4486069A (en) 1984-12-04
BE893703A (fr) 1982-12-30
CH663096A5 (de) 1987-11-13
IN159613B (cs) 1987-05-30
SE8203900L (sv) 1983-01-02
DE3223974A1 (de) 1983-01-20
FR2509057B1 (fr) 1987-07-03
YU138082A (en) 1984-12-31
SE457754B (sv) 1989-01-23

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Legal Events

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