FR721209A - Aerial photography viewfinder - Google Patents

Aerial photography viewfinder

Info

Publication number
FR721209A
FR721209A FR721209DA FR721209A FR 721209 A FR721209 A FR 721209A FR 721209D A FR721209D A FR 721209DA FR 721209 A FR721209 A FR 721209A
Authority
FR
France
Prior art keywords
viewfinder
aerial photography
photography
aerial
photography 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
Marius Carol
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 FR721209A publication Critical patent/FR721209A/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
    • G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
    • G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
    • 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)
FR721209D 1931-08-11 1931-08-11 Aerial photography viewfinder Expired FR721209A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR721209T 1931-08-11

Publications (1)

Publication Number Publication Date
FR721209A true FR721209A (en) 1932-03-01

Family

ID=9096423

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721209D Expired FR721209A (en) 1931-08-11 1931-08-11 Aerial photography viewfinder

Country Status (1)

Country Link
FR (1) FR721209A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747282A (en) * 1946-09-13 1956-05-29 Earl V Ehrhardt Camera view finder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2747282A (en) * 1946-09-13 1956-05-29 Earl V Ehrhardt Camera view finder

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