YU138082A - Afocal telescope - Google Patents

Afocal telescope

Info

Publication number
YU138082A
YU138082A YU01380/82A YU138082A YU138082A YU 138082 A YU138082 A YU 138082A YU 01380/82 A YU01380/82 A YU 01380/82A YU 138082 A YU138082 A YU 138082A YU 138082 A YU138082 A YU 138082A
Authority
YU
Yugoslavia
Prior art keywords
afocal telescope
afocal
telescope
Prior art date
Application number
YU01380/82A
Other languages
English (en)
Inventor
I A Neil
M O Lidwell
W Ccreath
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 YU138082A publication Critical patent/YU138082A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
YU01380/82A 1981-07-01 1982-06-24 Afocal telescope YU138082A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
YU138082A true YU138082A (en) 1984-12-31

Family

ID=10522927

Family Applications (1)

Application Number Title Priority Date Filing Date
YU01380/82A YU138082A (en) 1981-07-01 1982-06-24 Afocal telescope

Country Status (11)

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

Families Citing this family (32)

* 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
US7961398B2 (en) * 2008-03-05 2011-06-14 Contrast Optical Design & Engineering, Inc. Multiple image camera and lens system
EP2265993B8 (en) 2008-03-28 2021-07-07 Contrast, Inc. Whole beam image splitting system
US8508864B2 (en) * 2008-08-25 2013-08-13 Acm Projektentwicklung Gmbh Objective lens system
US7880978B2 (en) * 2008-08-25 2011-02-01 Acm Projektentwicklung Gmbh Objective lens system
JP2013504940A (ja) * 2009-09-10 2013-02-07 コントラスト オプティカル デザイン アンド エンジニアリング，インク． 全ビーム画像スプリッタシステム
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
US10257393B2 (en) 2016-02-12 2019-04-09 Contrast, Inc. Devices and methods for high dynamic range video
US10264196B2 (en) 2016-02-12 2019-04-16 Contrast, Inc. Systems and methods for HDR video capture with a mobile device
JP7081835B2 (ja) 2016-08-09 2022-06-07 コントラスト， インコーポレイテッド 車両制御のためのリアルタイムｈｄｒビデオ
WO2019014057A1 (en) 2017-07-10 2019-01-17 Contrast, Inc. STEREOSCOPIC CAMERA
US10951888B2 (en) 2018-06-04 2021-03-16 Contrast, Inc. Compressed high dynamic range video

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
US4383727A (en) * 1979-08-08 1983-05-17 Pilkington P.E. Limited Infra-red optical systems
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
DE3223974A1 (de) 1983-01-20
SE8203900D0 (sv) 1982-06-23
IT8267816A0 (it) 1982-06-29
US4486069A (en) 1984-12-04
NO822299L (no) 1983-01-03
FR2509057A1 (fr) 1983-01-07
CH663096A5 (de) 1987-11-13
IT1155700B (it) 1987-01-28
FR2509057B1 (fr) 1987-07-03
SE8203900L (sv) 1983-01-02
SE457754B (sv) 1989-01-23
IN159613B (xx) 1987-05-30
BE893703A (fr) 1982-12-30
NL8202540A (nl) 1983-02-01

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