BE784607A - LENS SYSTEM - Google Patents

LENS SYSTEM

Info

Publication number
BE784607A
BE784607A BE784607A BE784607A BE784607A BE 784607 A BE784607 A BE 784607A BE 784607 A BE784607 A BE 784607A BE 784607 A BE784607 A BE 784607A BE 784607 A BE784607 A BE 784607A
Authority
BE
Belgium
Prior art keywords
lens system
lens
Prior art date
Application number
BE784607A
Other languages
French (fr)
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 BE784607A publication Critical patent/BE784607A/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0884—Catadioptric systems having a pupil corrector
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0804—Catadioptric systems using two curved mirrors
    • G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0852—Catadioptric systems having a field corrector only
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lenses (AREA)
BE784607A 1971-06-09 1972-06-08 LENS SYSTEM BE784607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1979271A GB1388546A (en) 1971-06-09 1971-06-09 Lenses

Publications (1)

Publication Number Publication Date
BE784607A true BE784607A (en) 1972-10-02

Family

ID=10135300

Family Applications (1)

Application Number Title Priority Date Filing Date
BE784607A BE784607A (en) 1971-06-09 1972-06-08 LENS SYSTEM

Country Status (5)

Country Link
BE (1) BE784607A (en)
DE (1) DE2228236C3 (en)
GB (1) GB1388546A (en)
IL (1) IL39646A (en)
NL (1) NL7207922A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987006718A1 (en) * 1986-04-21 1987-11-05 The University Of Tasmania Laser ignition device
DE10301633A1 (en) * 2003-01-17 2004-07-29 Daimlerchrysler Ag Catadioptric camera for performing distance surveillance/monitoring of motor vehicles in front has lenses and curved mirror surfaces to act as image-transmitting elements
DE102005047488A1 (en) * 2005-10-04 2007-04-05 Noctron S.A.R.L. Lens e.g. for night-vision device has front lens group and rear lens group whereby diameters of lenses of rear lens group constantly increases in backward direction

Also Published As

Publication number Publication date
DE2228236C3 (en) 1981-10-15
DE2228236A1 (en) 1972-12-21
GB1388546A (en) 1975-03-26
IL39646A (en) 1975-06-25
NL7207922A (en) 1972-12-12
IL39646A0 (en) 1972-08-30
DE2228236B2 (en) 1981-01-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: THE RANK ORGANISATION LTD

Effective date: 19860630