GB2076987B - Afocal zoom refractor telescopes - Google Patents

Afocal zoom refractor telescopes

Info

Publication number
GB2076987B
GB2076987B GB8113708A GB8113708A GB2076987B GB 2076987 B GB2076987 B GB 2076987B GB 8113708 A GB8113708 A GB 8113708A GB 8113708 A GB8113708 A GB 8113708A GB 2076987 B GB2076987 B GB 2076987B
Authority
GB
United Kingdom
Prior art keywords
afocal zoom
refractor
telescopes
refractor telescopes
afocal
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
GB8113708A
Other versions
GB2076987A (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 GB8113708A priority Critical patent/GB2076987B/en
Publication of GB2076987A publication Critical patent/GB2076987A/en
Application granted granted Critical
Publication of GB2076987B publication Critical patent/GB2076987B/en
Expired legal-status Critical Current

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
    • G02B13/14—Optical objectives specially designed for the purposes specified below for use with infrared or ultraviolet radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)
GB8113708A 1980-05-30 1981-05-05 Afocal zoom refractor telescopes Expired GB2076987B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8113708A GB2076987B (en) 1980-05-30 1981-05-05 Afocal zoom refractor telescopes

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8017264 1980-05-30
GB8113708A GB2076987B (en) 1980-05-30 1981-05-05 Afocal zoom refractor telescopes

Publications (2)

Publication Number Publication Date
GB2076987A GB2076987A (en) 1981-12-09
GB2076987B true GB2076987B (en) 1983-09-07

Family

ID=26275638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8113708A Expired GB2076987B (en) 1980-05-30 1981-05-05 Afocal zoom refractor telescopes

Country Status (1)

Country Link
GB (1) GB2076987B (en)

Families Citing this family (3)

* 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
IL89301A (en) * 1989-02-15 1993-04-04 Electro Optics Ind Ltd Zoom system
JP2881744B2 (en) * 1990-02-14 1999-04-12 旭光学工業株式会社 Real image finder

Also Published As

Publication number Publication date
GB2076987A (en) 1981-12-09

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Legal Events

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

Effective date: 20000505