FR440716A - Autofocus camera for photographic lenses - Google Patents

Autofocus camera for photographic lenses

Info

Publication number
FR440716A
FR440716A FR440716DA FR440716A FR 440716 A FR440716 A FR 440716A FR 440716D A FR440716D A FR 440716DA FR 440716 A FR440716 A FR 440716A
Authority
FR
France
Prior art keywords
autofocus camera
photographic lenses
photographic
lenses
autofocus
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
Lodewyk Jan Rutger Holst
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 FR440716A publication Critical patent/FR440716A/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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/34—Means for automatic focusing therefor
    • G03B27/36—Means for automatic focusing therefor by mechanical connections, e.g. by cam, by linkage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR440716D 1912-02-28 1912-02-28 Autofocus camera for photographic lenses Expired FR440716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR440716T 1912-02-28

Publications (1)

Publication Number Publication Date
FR440716A true FR440716A (en) 1912-07-19

Family

ID=1482045

Family Applications (1)

Application Number Title Priority Date Filing Date
FR440716D Expired FR440716A (en) 1912-02-28 1912-02-28 Autofocus camera for photographic lenses

Country Status (1)

Country Link
FR (1) FR440716A (en)

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