FR614193A - Perfectionnements aux lentilles optiques - Google Patents

Perfectionnements aux lentilles optiques

Info

Publication number
FR614193A
FR614193A FR614193DA FR614193A FR 614193 A FR614193 A FR 614193A FR 614193D A FR614193D A FR 614193DA FR 614193 A FR614193 A FR 614193A
Authority
FR
France
Prior art keywords
enhancements
optical lens
lens
optical
lens enhancements
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)
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.)
American Optical Corp
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Application granted granted Critical
Publication of FR614193A publication Critical patent/FR614193A/fr
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
    • G02B3/04—Simple or compound lenses with non-spherical faces with continuous faces that are rotationally symmetrical but deviate from a true sphere, e.g. so called "aspheric" lenses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR614193D 1926-04-08 1926-04-08 Perfectionnements aux lentilles optiques Expired FR614193A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR614193T 1926-04-08

Publications (1)

Publication Number Publication Date
FR614193A true FR614193A (fr) 1926-12-08

Family

ID=8980032

Family Applications (1)

Application Number Title Priority Date Filing Date
FR614193D Expired FR614193A (fr) 1926-04-08 1926-04-08 Perfectionnements aux lentilles optiques

Country Status (1)

Country Link
FR (1) FR614193A (fr)

Similar Documents

Publication Publication Date Title
FR614193A (fr) Perfectionnements aux lentilles optiques
CH113393A (de) Photographisches Objektiv.
FR603084A (fr) Perfectionnements aux lentilles ophtalmiques
FR599248A (fr) Perfectionnements aux lentilles pour projecteurs
FR29143E (fr) Signal lumineux
FR651044A (fr) Projecteur de lumière
FR35473E (fr) Perfectionnements apportés aux appareils optiques
FR642348A (fr) Perfectionnements aux systèmes optiques
FR577524A (fr) Perfectionnements aux lentilles bifocales
FR604459A (fr) Pyromètre optique
FR619184A (fr) Signal optique
BE337239A (fr) Signal optique
FR592838A (fr) Pyromètre optique
AT110347B (de) Objektivverschluß.
FR660919A (fr) Perfectionnements aux pyromètres optiques
FR699757A (fr) Perfectionnements aux systèmes optiques
FR621653A (fr) Perfectionnements aux systèmes de lentilles optiques
FR609921A (fr) Perfectionnements aux systèmes optiques
FR648624A (fr) Jumelie optique
FR596656A (fr) Déformateur optique
FR680288A (fr) Miroir pour source lumineuse ponctuelle
FR660700A (fr) Perfectionnements apportés aux systèmes optiques
FR593855A (fr) Perfectionnements aux objectifs photographiques
FR681182A (fr) Perfectionnements aux systèmes optiques
DK38396C (da) Optisk Signal.