GB2072871B - Afocal refractor telescopes - Google Patents

Afocal refractor telescopes

Info

Publication number
GB2072871B
GB2072871B GB8105762A GB8105762A GB2072871B GB 2072871 B GB2072871 B GB 2072871B GB 8105762 A GB8105762 A GB 8105762A GB 8105762 A GB8105762 A GB 8105762A GB 2072871 B GB2072871 B GB 2072871B
Authority
GB
United Kingdom
Prior art keywords
afocal
telescopes
refractor telescopes
afocal refractor
refractor
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
GB8105762A
Other versions
GB2072871A (en
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 GB8105762A priority Critical patent/GB2072871B/en
Publication of GB2072871A publication Critical patent/GB2072871A/en
Application granted granted Critical
Publication of GB2072871B publication Critical patent/GB2072871B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • 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)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Telescopes (AREA)
GB8105762A 1980-03-05 1981-02-24 Afocal refractor telescopes Expired GB2072871B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8105762A GB2072871B (en) 1980-03-05 1981-02-24 Afocal refractor telescopes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8007407 1980-03-05
GB8105762A GB2072871B (en) 1980-03-05 1981-02-24 Afocal refractor telescopes

Publications (2)

Publication Number Publication Date
GB2072871A GB2072871A (en) 1981-10-07
GB2072871B true GB2072871B (en) 1984-02-22

Family

ID=26274699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105762A Expired GB2072871B (en) 1980-03-05 1981-02-24 Afocal refractor telescopes

Country Status (1)

Country Link
GB (1) GB2072871B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486069A (en) * 1981-07-01 1984-12-04 Barr & Stroud Limited Afocal telescopes
GB2152227B (en) * 1982-01-14 1986-01-29 Barr & Stroud Ltd Infrared optical system
US4600265A (en) * 1983-01-27 1986-07-15 Pilkington P.E. Limited Infra-red optical systems
GB8315878D0 (en) * 1983-06-09 1983-07-13 Barr & Stroud Ltd Zoom lens assembly
US4659171A (en) * 1984-05-22 1987-04-21 Barr & Stroud Limited Infrared afocal refractor telescope
US5257133A (en) * 1991-09-11 1993-10-26 Hughes Aircraft Company Re-imaging optical system employing refractive and diffractive optical elements

Also Published As

Publication number Publication date
GB2072871A (en) 1981-10-07

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Legal Events

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

Effective date: 20000224