FR26085E - Objectif destiné à la projection et donnant le maximum d'éclairement - Google Patents

Objectif destiné à la projection et donnant le maximum d'éclairement

Info

Publication number
FR26085E
FR26085E FR26085DA FR26085E FR 26085 E FR26085 E FR 26085E FR 26085D A FR26085D A FR 26085DA FR 26085 E FR26085 E FR 26085E
Authority
FR
France
Prior art keywords
projection
maximum illumination
giving maximum
lens intended
lens
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
English (en)
Inventor
Auguste-Jean-Baptist Tauleigne
Elie Mazo
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 FR26085E publication Critical patent/FR26085E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/12—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/04—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having two components only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR26085D 1920-06-11 1922-01-19 Objectif destiné à la projection et donnant le maximum d'éclairement Expired FR26085E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR517014T 1920-06-11
FR26085T 1922-01-19

Publications (1)

Publication Number Publication Date
FR26085E true FR26085E (fr) 1923-07-30

Family

ID=62488926

Family Applications (2)

Application Number Title Priority Date Filing Date
FR517014A Expired FR517014A (fr) 1920-06-11 1920-06-11 Objectif destiné à la projection et donnant le maximum d'éclairement
FR26085D Expired FR26085E (fr) 1920-06-11 1922-01-19 Objectif destiné à la projection et donnant le maximum d'éclairement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR517014A Expired FR517014A (fr) 1920-06-11 1920-06-11 Objectif destiné à la projection et donnant le maximum d'éclairement

Country Status (1)

Country Link
FR (2) FR517014A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456728A (en) * 1943-10-15 1948-12-21 Svenska Ackumulator Ab Lens system with chromatic aberration and without noticeable magnification
US2609727A (en) * 1948-01-10 1952-09-09 Emel Ets Object-glass with a variable focal length

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456728A (en) * 1943-10-15 1948-12-21 Svenska Ackumulator Ab Lens system with chromatic aberration and without noticeable magnification
US2609727A (en) * 1948-01-10 1952-09-09 Emel Ets Object-glass with a variable focal length

Also Published As

Publication number Publication date
FR517014A (fr) 1921-04-29

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