SE7806585L - THERMAL AFOCAL INFRARED TELESCOPIC - Google Patents

THERMAL AFOCAL INFRARED TELESCOPIC

Info

Publication number
SE7806585L
SE7806585L SE7806585A SE7806585A SE7806585L SE 7806585 L SE7806585 L SE 7806585L SE 7806585 A SE7806585 A SE 7806585A SE 7806585 A SE7806585 A SE 7806585A SE 7806585 L SE7806585 L SE 7806585L
Authority
SE
Sweden
Prior art keywords
thermal
afocal
infrared telescopic
telescopic
afocal infrared
Prior art date
Application number
SE7806585A
Other languages
Swedish (sv)
Other versions
SE429381B (en
Inventor
D E Lane
D R Horne
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE7806585L publication Critical patent/SE7806585L/en
Publication of SE429381B publication Critical patent/SE429381B/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • 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
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/02—Engines characterised by their cycles, e.g. six-stroke
    • F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
    • F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Lenses (AREA)
  • Telescopes (AREA)
  • Radiation Pyrometers (AREA)
SE7806585A 1977-06-09 1978-06-06 THERMAL AFOCAL GALILEAN CONSTRUCTION INFRATELESCOPE SE429381B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24088/77A GB1530066A (en) 1977-06-09 1977-06-09 Infra-red reversible telescope

Publications (2)

Publication Number Publication Date
SE7806585L true SE7806585L (en) 1978-12-10
SE429381B SE429381B (en) 1983-08-29

Family

ID=10206176

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7806585A SE429381B (en) 1977-06-09 1978-06-06 THERMAL AFOCAL GALILEAN CONSTRUCTION INFRATELESCOPE

Country Status (4)

Country Link
DE (1) DE2825088C2 (en)
GB (1) GB1530066A (en)
NL (1) NL7806071A (en)
SE (1) SE429381B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2087189B (en) * 1980-11-10 1984-08-01 Philips Electronic Associated Imaging apparatus
GB2099990B (en) * 1981-06-05 1984-11-28 Philips Electronic Associated Temperature measurement using thermal imaging apparatus
GB2148533B (en) * 1983-10-13 1986-11-26 Messerschmitt Boelkow Blohm Image enhancer for thermal imaging device
DE3430695A1 (en) * 1983-10-13 1985-04-25 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Display device
GB2177812B (en) * 1985-07-13 1988-09-21 Pilkington Perkin Elmer Ltd A catadioptric lens
GB2194072B (en) * 1986-04-03 1990-03-21 Pilkington Perkin Elmer Ltd Athermalised optical beam expander
FR2708353A1 (en) * 1993-07-26 1995-02-03 Bertin & Cie Magnification system for an imaging device with optomechanical scanning
EP4014090A4 (en) * 2019-08-14 2022-10-12 NLIGHT, Inc. Variable magnification afocal telescope element

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1651493A (en) * 1922-07-27 1927-12-06 Warmisham Arthur Telescopic attachment for hand cameras

Also Published As

Publication number Publication date
NL7806071A (en) 1978-12-12
SE429381B (en) 1983-08-29
GB1530066A (en) 1978-10-25
DE2825088C2 (en) 1983-07-28
DE2825088A1 (en) 1978-12-21

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