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GB2102588B - Afocal telescope containing three lens eyepiece - Google Patents

Afocal telescope containing three lens eyepiece

Info

Publication number
GB2102588B
GB2102588B GB08218023A GB8218023A GB2102588B GB 2102588 B GB2102588 B GB 2102588B GB 08218023 A GB08218023 A GB 08218023A GB 8218023 A GB8218023 A GB 8218023A GB 2102588 B GB2102588 B GB 2102588B
Authority
GB
United Kingdom
Prior art keywords
afocal telescope
lens eyepiece
telescope containing
eyepiece
lens
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB08218023A
Other versions
GB2102588A (en
Inventor
Michael Owen Lidwell
Iain Alexander Neil
William Mccreath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Optronics Ltd
Original Assignee
Thales Optronics 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 Thales Optronics Ltd filed Critical Thales Optronics Ltd
Priority to GB08218023A priority Critical patent/GB2102588B/en
Publication of GB2102588A publication Critical patent/GB2102588A/en
Application granted granted Critical
Publication of GB2102588B publication Critical patent/GB2102588B/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
GB08218023A 1981-07-01 1982-06-23 Afocal telescope containing three lens eyepiece Expired GB2102588B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08218023A GB2102588B (en) 1981-07-01 1982-06-23 Afocal telescope containing three lens eyepiece

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8120274 1981-07-01
GB08218023A GB2102588B (en) 1981-07-01 1982-06-23 Afocal telescope containing three lens eyepiece

Publications (2)

Publication Number Publication Date
GB2102588A GB2102588A (en) 1983-02-02
GB2102588B true GB2102588B (en) 1984-12-19

Family

ID=26279976

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08218023A Expired GB2102588B (en) 1981-07-01 1982-06-23 Afocal telescope containing three lens eyepiece

Country Status (1)

Country Link
GB (1) GB2102588B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600265A (en) * 1983-01-27 1986-07-15 Pilkington P.E. Limited Infra-red optical systems
GB2134280B (en) * 1983-01-27 1986-06-18 Pilkington Perkin Elmer Ltd Eyepiece system for an infra-red optical system
GB8703402D0 (en) * 1987-02-13 1987-04-08 Pilkington Perkin Elmer Ltd Dual magnification infra-red telescope
US5548442A (en) * 1993-06-08 1996-08-20 Hughes Aircraft Company Optical sight assembly
RU2199143C1 (en) * 2001-05-22 2003-02-20 Открытое акционерное общество "Красногорский завод им.С.А.Зверева" Telescope with discrete change of magnification for far-field or region of spectrum
US7218444B2 (en) * 2004-05-03 2007-05-15 Raytheon Company Dual-band, dual-focal-length, relayed refractive imager
RU2348955C1 (en) * 2007-06-25 2009-03-10 Институт физики полупроводников СО РАН Infrared telescope with two magnifications for long-range ir-area of spectrum
RU2348954C1 (en) * 2007-06-25 2009-03-10 Институт физики полупроводников СО РАН Infrared objective with variable focal distance
DE102009045970B4 (en) * 2009-10-23 2020-09-17 Carl Zeiss Optronics Gmbh Thermal imaging device

Also Published As

Publication number Publication date
GB2102588A (en) 1983-02-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000623