FR410263A - Advanced lens for optical instruments - Google Patents

Advanced lens for optical instruments

Info

Publication number
FR410263A
FR410263A FR410263DA FR410263A FR 410263 A FR410263 A FR 410263A FR 410263D A FR410263D A FR 410263DA FR 410263 A FR410263 A FR 410263A
Authority
FR
France
Prior art keywords
optical instruments
advanced lens
advanced
lens
instruments
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
Other languages
French (fr)
Inventor
Jean De Kondereff
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.)
JEAN DE KONDEREFF
Original Assignee
JEAN DE KONDEREFF
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 JEAN DE KONDEREFF filed Critical JEAN DE KONDEREFF
Application granted granted Critical
Publication of FR410263A publication Critical patent/FR410263A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/02—Simple or compound lenses with non-spherical faces
    • G02B3/08—Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
FR410263D 1909-10-19 1909-10-19 Advanced lens for optical instruments Expired FR410263A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR410263T 1909-10-19

Publications (1)

Publication Number Publication Date
FR410263A true FR410263A (en) 1910-05-17

Family

ID=1454328

Family Applications (1)

Application Number Title Priority Date Filing Date
FR410263D Expired FR410263A (en) 1909-10-19 1909-10-19 Advanced lens for optical instruments

Country Status (1)

Country Link
FR (1) FR410263A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485345A (en) * 1946-05-16 1949-10-18 Abe A Ackerman Reflecting telescopic objective of the cassegrainian type
US2534543A (en) * 1946-09-16 1950-12-19 Andrew J Bramlette Light concentrating reflector camera
US2585009A (en) * 1945-08-02 1952-02-12 Farnsworth Res Corp Concentric optical system
US2664026A (en) * 1949-11-03 1953-12-29 American Optical Corp Reflecting type image forming lens system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2585009A (en) * 1945-08-02 1952-02-12 Farnsworth Res Corp Concentric optical system
US2485345A (en) * 1946-05-16 1949-10-18 Abe A Ackerman Reflecting telescopic objective of the cassegrainian type
US2534543A (en) * 1946-09-16 1950-12-19 Andrew J Bramlette Light concentrating reflector camera
US2664026A (en) * 1949-11-03 1953-12-29 American Optical Corp Reflecting type image forming lens system

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