FR537460A - High definition anastigmat lens - Google Patents

High definition anastigmat lens

Info

Publication number
FR537460A
FR537460A FR537460DA FR537460A FR 537460 A FR537460 A FR 537460A FR 537460D A FR537460D A FR 537460DA FR 537460 A FR537460 A FR 537460A
Authority
FR
France
Prior art keywords
anastigmat
lens
high definition
definition
definition anastigmat
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
Rodolphe Berthon
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 filed Critical
Application granted granted Critical
Publication of FR537460A publication Critical patent/FR537460A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
FR537460D 1920-11-29 1920-11-29 High definition anastigmat lens Expired FR537460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR537460T 1920-11-29

Publications (1)

Publication Number Publication Date
FR537460A true FR537460A (en) 1922-05-24

Family

ID=8927502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR537460D Expired FR537460A (en) 1920-11-29 1920-11-29 High definition anastigmat lens

Country Status (1)

Country Link
FR (1) FR537460A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430150A (en) * 1942-08-25 1947-11-04 Taylor Taylor & Hobson Ltd Optical objective
US2474837A (en) * 1945-03-08 1949-07-05 American Optical Corp Wide aperture lens system having means for reducing spherical aberrations
US2494025A (en) * 1948-05-28 1950-01-10 Eastman Kodak Co Optical objectives with two-part negative component having variable central air space of zero power
US2538841A (en) * 1946-01-28 1951-01-23 American Optical Company South Wide field angle objective
US4693568A (en) * 1984-09-25 1987-09-15 Olympus Optical Co., Ltd. Image transmission optical system for an endoscope

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2430150A (en) * 1942-08-25 1947-11-04 Taylor Taylor & Hobson Ltd Optical objective
US2474837A (en) * 1945-03-08 1949-07-05 American Optical Corp Wide aperture lens system having means for reducing spherical aberrations
US2538841A (en) * 1946-01-28 1951-01-23 American Optical Company South Wide field angle objective
US2494025A (en) * 1948-05-28 1950-01-10 Eastman Kodak Co Optical objectives with two-part negative component having variable central air space of zero power
US4693568A (en) * 1984-09-25 1987-09-15 Olympus Optical Co., Ltd. Image transmission optical system for an endoscope

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