GB2131973B - Infrared objective lens assembly - Google Patents

Infrared objective lens assembly

Info

Publication number
GB2131973B
GB2131973B GB08328585A GB8328585A GB2131973B GB 2131973 B GB2131973 B GB 2131973B GB 08328585 A GB08328585 A GB 08328585A GB 8328585 A GB8328585 A GB 8328585A GB 2131973 B GB2131973 B GB 2131973B
Authority
GB
United Kingdom
Prior art keywords
objective lens
lens assembly
infrared objective
infrared
assembly
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
GB08328585A
Other versions
GB2131973A (en
GB8328585D0 (en
Inventor
Iain Alexander Neil
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 GB08328585A priority Critical patent/GB2131973B/en
Publication of GB8328585D0 publication Critical patent/GB8328585D0/en
Publication of GB2131973A publication Critical patent/GB2131973A/en
Application granted granted Critical
Publication of GB2131973B publication Critical patent/GB2131973B/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
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration
    • 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
    • G02B13/16—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)
  • Lenses (AREA)
  • Telescopes (AREA)
GB08328585A 1982-11-23 1983-10-26 Infrared objective lens assembly Expired GB2131973B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08328585A GB2131973B (en) 1982-11-23 1983-10-26 Infrared objective lens assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8233434 1982-11-23
GB08328585A GB2131973B (en) 1982-11-23 1983-10-26 Infrared objective lens assembly

Publications (3)

Publication Number Publication Date
GB8328585D0 GB8328585D0 (en) 1983-11-30
GB2131973A GB2131973A (en) 1984-06-27
GB2131973B true GB2131973B (en) 1985-12-24

Family

ID=26284480

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08328585A Expired GB2131973B (en) 1982-11-23 1983-10-26 Infrared objective lens assembly

Country Status (1)

Country Link
GB (1) GB2131973B (en)

Families Citing this family (3)

* 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
IL89301A (en) * 1989-02-15 1993-04-04 Electro Optics Ind Ltd Zoom system

Also Published As

Publication number Publication date
GB2131973A (en) 1984-06-27
GB8328585D0 (en) 1983-11-30

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Legal Events

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

Effective date: 19991028