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.)
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.)
Kamera und Kinowerke Dresden VEB
Original Assignee
Kamera und Kinowerke Dresden VEB
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 Kamera und Kinowerke Dresden VEBfiledCriticalKamera und Kinowerke Dresden VEB
Priority to FR838966ApriorityCriticalpatent/FR1269925A/fr
Application grantedgrantedCritical
Publication of FR1269925ApublicationCriticalpatent/FR1269925A/fr
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)
FR838966A1960-09-191960-09-19Dispositif de viseur réflexe pour appareils photographiques de prise de vues
ExpiredFR1269925A
(fr)