AT288857B - Ground glass for recording devices - Google Patents

Ground glass for recording devices

Info

Publication number
AT288857B
AT288857B AT64270A AT64270A AT288857B AT 288857 B AT288857 B AT 288857B AT 64270 A AT64270 A AT 64270A AT 64270 A AT64270 A AT 64270A AT 288857 B AT288857 B AT 288857B
Authority
AT
Austria
Prior art keywords
recording devices
ground glass
glass
ground
recording
Prior art date
Application number
AT64270A
Other languages
German (de)
Original Assignee
Paillard Sa
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 Paillard Sa filed Critical Paillard Sa
Application granted granted Critical
Publication of AT288857B publication Critical patent/AT288857B/en

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
AT64270A 1970-01-07 1970-01-23 Ground glass for recording devices AT288857B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH10470A CH502609A (en) 1970-01-07 1970-01-07 Frosted for camera

Publications (1)

Publication Number Publication Date
AT288857B true AT288857B (en) 1971-03-25

Family

ID=4179355

Family Applications (1)

Application Number Title Priority Date Filing Date
AT64270A AT288857B (en) 1970-01-07 1970-01-23 Ground glass for recording devices

Country Status (2)

Country Link
AT (1) AT288857B (en)
CH (1) CH502609A (en)

Also Published As

Publication number Publication date
CH502609A (en) 1971-01-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee