FR713929A - Verre dépoli pour appareils photographiques - Google Patents

Verre dépoli pour appareils photographiques

Info

Publication number
FR713929A
FR713929A FR713929DA FR713929A FR 713929 A FR713929 A FR 713929A FR 713929D A FR713929D A FR 713929DA FR 713929 A FR713929 A FR 713929A
Authority
FR
France
Prior art keywords
cameras
frosted glass
frosted
glass
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
Oskar Heimstadt
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 FR713929A publication Critical patent/FR713929A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G03B13/24—Focusing screens
    • G03B13/26—Focusing screens with magnifiers for inspecting image formed on screen

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR713929D 1930-10-01 1931-03-27 Verre dépoli pour appareils photographiques Expired FR713929A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT713929X 1930-10-01

Publications (1)

Publication Number Publication Date
FR713929A true FR713929A (fr) 1931-11-04

Family

ID=3679729

Family Applications (1)

Application Number Title Priority Date Filing Date
FR713929D Expired FR713929A (fr) 1930-10-01 1931-03-27 Verre dépoli pour appareils photographiques

Country Status (1)

Country Link
FR (1) FR713929A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004470A (en) * 1956-07-28 1961-10-17 Zeiss Ikon A G Stuttgart Multiple focal length lens
US3291020A (en) * 1964-05-08 1966-12-13 Visual Graphics Corp Photo printing and photo processing device
US4558922A (en) * 1984-05-09 1985-12-17 Beattie Systems, Inc. Bright viewing and focusing screens
US4771304A (en) * 1979-03-05 1988-09-13 Canon Kabushiki Kaisha Focusing screen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004470A (en) * 1956-07-28 1961-10-17 Zeiss Ikon A G Stuttgart Multiple focal length lens
US3291020A (en) * 1964-05-08 1966-12-13 Visual Graphics Corp Photo printing and photo processing device
US4771304A (en) * 1979-03-05 1988-09-13 Canon Kabushiki Kaisha Focusing screen
US4558922A (en) * 1984-05-09 1985-12-17 Beattie Systems, Inc. Bright viewing and focusing screens

Similar Documents

Publication Publication Date Title
FR760986A (fr) Perfectionnements aux appareils pour le rodage du verre
FR760998A (fr) Verre
FR750548A (fr) Fondant pour la fabrication du verre
FR724756A (fr) Obturateur pour appareils photographiques
FR740399A (fr) Verre optique
FR715342A (fr) Tourelle-support pour appareils photographiques aériens
FR40116E (fr) Verre complexe
FR717319A (fr) Support pour appareils photographiques stéréoscopiques
FR713853A (fr) Lentille pour projecteurs non-éblouissants
FR739968A (fr) Verre à confitures
FR714007A (fr) Obturateur pour appareils photographiques
FR713914A (fr) Loupe
FR694668A (fr) Dispositif réflecteur de pose pour appareils photographiques
FR40555E (fr) Tourelle-support pour appareils photographiques aérlens
FR707072A (fr) Glace pour phares et projecteurs
FR671267A (fr) Mosaïque de verre
FR709380A (fr) Verre complexe
FR758426A (fr) Carreaux en verre pour revêtements
FR690172A (fr) Dispositif de visée stéréoscopique pour appareils photographiques
FR716932A (fr) Monture de verre pour lanternes et appareils analogues
FR725507A (fr) Verre optique
FR690809A (fr) Verre pour l'horlogerie
FR692607A (fr) Dispositif optique pour appareils photographiques
FR739063A (fr) Brique en verre perfectionnée
CA298164A (fr) Ecran photographique