NL7511476A - OPTICAL LENS. - Google Patents

OPTICAL LENS.

Info

Publication number
NL7511476A
NL7511476A NL7511476A NL7511476A NL7511476A NL 7511476 A NL7511476 A NL 7511476A NL 7511476 A NL7511476 A NL 7511476A NL 7511476 A NL7511476 A NL 7511476A NL 7511476 A NL7511476 A NL 7511476A
Authority
NL
Netherlands
Prior art keywords
optical lens
lens
optical
Prior art date
Application number
NL7511476A
Other languages
Dutch (nl)
Original Assignee
Rank Organisation 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 Rank Organisation Ltd filed Critical Rank Organisation Ltd
Publication of NL7511476A publication Critical patent/NL7511476A/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)
NL7511476A 1974-10-02 1975-09-30 OPTICAL LENS. NL7511476A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4273874A GB1462892A (en) 1974-10-02 1974-10-02 Lenses

Publications (1)

Publication Number Publication Date
NL7511476A true NL7511476A (en) 1976-04-06

Family

ID=10425769

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7511476A NL7511476A (en) 1974-10-02 1975-09-30 OPTICAL LENS.

Country Status (4)

Country Link
DE (1) DE2544148A1 (en)
FR (1) FR2287050A1 (en)
GB (1) GB1462892A (en)
NL (1) NL7511476A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411488A (en) * 1980-05-30 1983-10-25 Barr & Stroud Limited Afocal zoom refractor telescopes
CH658731A5 (en) * 1982-06-25 1986-11-28 Kern & Co Ag LIGHT-EFFECTIVE LENS FOR HEAT RADIATION.
GB2181567B (en) * 1985-07-04 1989-01-11 Plessey Co Plc Infra-red fresnel lenses and methods of fabrication
DE4234721C2 (en) * 1991-10-16 1995-10-19 Bodenseewerk Geraetetech Three lens lens
EP1980888A4 (en) 2006-01-30 2010-03-17 Sumitomo Electric Industries Infrared lens, infrared camera and night vision
WO2016019537A1 (en) 2014-08-07 2016-02-11 深圳市大族激光科技股份有限公司 Far infrared imaging lens set, objective lens and fire source detector

Also Published As

Publication number Publication date
DE2544148A1 (en) 1976-04-15
FR2287050A1 (en) 1976-04-30
GB1462892A (en) 1977-01-26

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Legal Events

Date Code Title Description
BV The patent application has lapsed