FR340422A - Clear viewfinder system with adjustable distance and focus for stereoscopic cameras - Google Patents

Clear viewfinder system with adjustable distance and focus for stereoscopic cameras

Info

Publication number
FR340422A
FR340422A FR340422DA FR340422A FR 340422 A FR340422 A FR 340422A FR 340422D A FR340422D A FR 340422DA FR 340422 A FR340422 A FR 340422A
Authority
FR
France
Prior art keywords
focus
adjustable distance
stereoscopic cameras
viewfinder system
clear viewfinder
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
Jules Richard
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR340422A publication Critical patent/FR340422A/en
Expired legal-status Critical Current

Links

FR340422D 1904-02-13 1904-02-13 Clear viewfinder system with adjustable distance and focus for stereoscopic cameras Expired FR340422A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR340422T 1904-02-13

Publications (1)

Publication Number Publication Date
FR340422A true FR340422A (en) 1904-07-06

Family

ID=43348536

Family Applications (1)

Application Number Title Priority Date Filing Date
FR340422D Expired FR340422A (en) 1904-02-13 1904-02-13 Clear viewfinder system with adjustable distance and focus for stereoscopic cameras

Country Status (1)

Country Link
FR (1) FR340422A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866202A (en) * 1955-04-07 1958-12-30 Jesse A Landis Eye shield

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2866202A (en) * 1955-04-07 1958-12-30 Jesse A Landis Eye shield

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