IT1172851B - Telescopio afocale a rifrazione - Google Patents

Telescopio afocale a rifrazione

Info

Publication number
IT1172851B
IT1172851B IT68234/81A IT6823481A IT1172851B IT 1172851 B IT1172851 B IT 1172851B IT 68234/81 A IT68234/81 A IT 68234/81A IT 6823481 A IT6823481 A IT 6823481A IT 1172851 B IT1172851 B IT 1172851B
Authority
IT
Italy
Prior art keywords
afocal
telescope
refraction
refraction telescope
afocal refraction
Prior art date
Application number
IT68234/81A
Other languages
English (en)
Italian (it)
Other versions
IT8168234A0 (it
Inventor
Alexander Neil Iain
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 IT8168234A0 publication Critical patent/IT8168234A0/it
Application granted granted Critical
Publication of IT1172851B publication Critical patent/IT1172851B/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • 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)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Compositions Of Oxide Ceramics (AREA)
IT68234/81A 1980-10-08 1981-09-24 Telescopio afocale a rifrazione IT1172851B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8032397 1980-10-08

Publications (2)

Publication Number Publication Date
IT8168234A0 IT8168234A0 (it) 1981-09-24
IT1172851B true IT1172851B (it) 1987-06-18

Family

ID=10516547

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68234/81A IT1172851B (it) 1980-10-08 1981-09-24 Telescopio afocale a rifrazione

Country Status (10)

Country Link
US (1) US4479695A ( )
BE (1) BE890655A ( )
CH (1) CH656012A5 ( )
DE (1) DE3138818A1 ( )
FR (1) FR2491635A1 ( )
IN (1) IN154125B ( )
IT (1) IT1172851B ( )
NL (1) NL8104194A ( )
NO (1) NO813396L ( )
SE (1) SE453868B ( )

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4776681A (en) * 1986-01-17 1988-10-11 U.S. Precision Lens, Incorporated Projection lens
US4685774A (en) * 1986-01-17 1987-08-11 U.S. Precision Lens, Incorporated Projection lens
US4682862A (en) * 1986-01-17 1987-07-28 U.S. Precision Lens Incorporated Projection lens
US4802717A (en) * 1986-04-21 1989-02-07 Hughes Aircraft Company Infrared afocal zoom telescope
US5055683A (en) * 1989-12-15 1991-10-08 Mccracken William L Line scanner
US5493441A (en) * 1994-01-13 1996-02-20 Texas Instruments Incorporated Infrared continuous zoom telescope using diffractive optics
JP3427461B2 (ja) * 1994-02-18 2003-07-14 株式会社ニコン 再結像光学系
US5796514A (en) * 1996-03-04 1998-08-18 Raytheon Ti Systems, Inc. Infrared zoom lens assembly having a variable F/number
GB9809738D0 (en) 1998-05-08 1998-07-08 Pilkington Perkin Elmer Ltd Optical systems
GB9809739D0 (en) * 1998-05-08 1998-07-08 Pilkington Perkin Elmer Ltd Afocal telescope
GB9809736D0 (en) * 1998-05-08 1998-07-08 Pilkington Perkin Elmer Ltd Objective lens system
US5933272A (en) * 1998-05-28 1999-08-03 The United States Of America As Represented By The Secretary Of The Army Dual field of view afocal
EP1662278A1 (de) * 2004-11-27 2006-05-31 Leica Geosystems AG Plankonvex- oder Plankonkavlinse mit damit verbundenem Umlenkmittel
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
TWI461728B (zh) 2011-09-02 2014-11-21 Largan Precision Co Ltd 影像鏡組
US20220299679A1 (en) * 2021-03-19 2022-09-22 Raytheon Company Athermal infrared optical telescope and method for manufacturing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397520A (en) * 1980-03-05 1983-08-09 Barr & Stroud Limited Afocal refractor telescopes

Also Published As

Publication number Publication date
CH656012A5 (de) 1986-05-30
IN154125B ( ) 1984-09-22
FR2491635A1 (fr) 1982-04-09
US4479695A (en) 1984-10-30
BE890655A (fr) 1982-02-01
FR2491635B3 ( ) 1983-07-08
SE8105942L (sv) 1982-04-09
SE453868B (sv) 1988-03-07
NO813396L (no) 1982-04-13
DE3138818A1 (de) 1982-06-03
NL8104194A (nl) 1982-05-03
IT8168234A0 (it) 1981-09-24

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