FR939587A - Centered optical system - Google Patents

Centered optical system

Info

Publication number
FR939587A
FR939587A FR939587DA FR939587A FR 939587 A FR939587 A FR 939587A FR 939587D A FR939587D A FR 939587DA FR 939587 A FR939587 A FR 939587A
Authority
FR
France
Prior art keywords
optical system
centered optical
centered
optical
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)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR939587A publication Critical patent/FR939587A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08Catadioptric systems
    • G02B17/0884Catadioptric systems having a pupil corrector
    • G02B17/0888Catadioptric systems having a pupil corrector the corrector having at least one aspheric surface, e.g. Schmidt plates
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08Catadioptric systems
FR939587D 1946-01-09 1947-01-07 Centered optical system Expired FR939587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL939587X 1946-01-09

Publications (1)

Publication Number Publication Date
FR939587A true FR939587A (en) 1948-11-18

Family

ID=19863636

Family Applications (1)

Application Number Title Priority Date Filing Date
FR939587D Expired FR939587A (en) 1946-01-09 1947-01-07 Centered optical system

Country Status (1)

Country Link
FR (1) FR939587A (en)

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