FR1121938A - Aiming and focusing device for reflex type cameras - Google Patents

Aiming and focusing device for reflex type cameras

Info

Publication number
FR1121938A
FR1121938A FR1121938DA FR1121938A FR 1121938 A FR1121938 A FR 1121938A FR 1121938D A FR1121938D A FR 1121938DA FR 1121938 A FR1121938 A FR 1121938A
Authority
FR
France
Prior art keywords
aiming
focusing device
reflex type
type cameras
cameras
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
French (fr)
Inventor
Andre De Zitter
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 FR1121938A publication Critical patent/FR1121938A/en
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
    • G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1121938D 1954-12-20 1954-12-20 Aiming and focusing device for reflex type cameras Expired FR1121938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1121938T 1954-12-20

Publications (1)

Publication Number Publication Date
FR1121938A true FR1121938A (en) 1956-08-28

Family

ID=9632356

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1121938D Expired FR1121938A (en) 1954-12-20 1954-12-20 Aiming and focusing device for reflex type cameras

Country Status (1)

Country Link
FR (1) FR1121938A (en)

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