FR2346734A1 - Terrestrial telescope with image erecting device - comprises two aspherical concave mirrors and converging refractive system - Google Patents

Terrestrial telescope with image erecting device - comprises two aspherical concave mirrors and converging refractive system

Info

Publication number
FR2346734A1
FR2346734A1 FR7609136A FR7609136A FR2346734A1 FR 2346734 A1 FR2346734 A1 FR 2346734A1 FR 7609136 A FR7609136 A FR 7609136A FR 7609136 A FR7609136 A FR 7609136A FR 2346734 A1 FR2346734 A1 FR 2346734A1
Authority
FR
France
Prior art keywords
erecting device
refractive system
concave mirrors
image erecting
aspherical concave
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.)
Withdrawn
Application number
FR7609136A
Other languages
French (fr)
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.)
Sagem SA
Original Assignee
Recherches et Etudes dOptique et de Sciences Connexes SA REOSC
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 Recherches et Etudes dOptique et de Sciences Connexes SA REOSC filed Critical Recherches et Etudes dOptique et de Sciences Connexes SA REOSC
Priority to FR7609136A priority Critical patent/FR2346734A1/en
Publication of FR2346734A1 publication Critical patent/FR2346734A1/en
Withdrawn legal-status Critical Current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
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
  • Lenses (AREA)

Abstract

The terrestrial telescope has an image erecting device comprising two aspherical concave mirrors (2, 3) placed opposite each other so that an incident beam is reflected by each one successively, and a convergent refractive system (4) placed on the path of the beam reflected by the second mirror (3). The two mirrors may have ellipsoidal and hyperbolic meridians respectively and the convergent system may also be on the path of the beam reflected by the first mirror. The second mirror (3) may be formed by the concave face of the convergent refractive system, this face being made reflective.
FR7609136A 1976-03-30 1976-03-30 Terrestrial telescope with image erecting device - comprises two aspherical concave mirrors and converging refractive system Withdrawn FR2346734A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7609136A FR2346734A1 (en) 1976-03-30 1976-03-30 Terrestrial telescope with image erecting device - comprises two aspherical concave mirrors and converging refractive system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7609136A FR2346734A1 (en) 1976-03-30 1976-03-30 Terrestrial telescope with image erecting device - comprises two aspherical concave mirrors and converging refractive system

Publications (1)

Publication Number Publication Date
FR2346734A1 true FR2346734A1 (en) 1977-10-28

Family

ID=9171117

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7609136A Withdrawn FR2346734A1 (en) 1976-03-30 1976-03-30 Terrestrial telescope with image erecting device - comprises two aspherical concave mirrors and converging refractive system

Country Status (1)

Country Link
FR (1) FR2346734A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005705A1 (en) * 1978-06-01 1979-12-12 Jean Delage Telescope and its application in binoculars
US4444468A (en) * 1980-08-18 1984-04-24 Kei Mori Apparatus for collecting solar beams
FR2555767A1 (en) * 1983-11-30 1985-05-31 Schneider Co Optische Werke MIRROR TELESCOPE WITH STRAIGHTENED IMAGE
RU210434U1 (en) * 2021-11-15 2022-04-15 Общество с ограниченной ответственностью "ДИОПТРОН" reflex binoculars
RU222247U1 (en) * 2023-11-28 2023-12-15 Общество с ограниченной ответственностью "ДИОПРОН" Mirror-lens binoculars

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005705A1 (en) * 1978-06-01 1979-12-12 Jean Delage Telescope and its application in binoculars
US4444468A (en) * 1980-08-18 1984-04-24 Kei Mori Apparatus for collecting solar beams
FR2555767A1 (en) * 1983-11-30 1985-05-31 Schneider Co Optische Werke MIRROR TELESCOPE WITH STRAIGHTENED IMAGE
RU210434U1 (en) * 2021-11-15 2022-04-15 Общество с ограниченной ответственностью "ДИОПТРОН" reflex binoculars
RU222247U1 (en) * 2023-11-28 2023-12-15 Общество с ограниченной ответственностью "ДИОПРОН" Mirror-lens binoculars

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Legal Events

Date Code Title Description
ST Notification of lapse