FR782059A - Improvements to autofocus magnifiers - Google Patents

Improvements to autofocus magnifiers

Info

Publication number
FR782059A
FR782059A FR782059DA FR782059A FR 782059 A FR782059 A FR 782059A FR 782059D A FR782059D A FR 782059DA FR 782059 A FR782059 A FR 782059A
Authority
FR
France
Prior art keywords
magnifiers
autofocus
autofocus magnifiers
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)
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
Ernst Leitz GmbH
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 Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH
Application granted granted Critical
Publication of FR782059A publication Critical patent/FR782059A/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)
FR782059D 1934-02-19 1934-11-30 Improvements to autofocus magnifiers Expired FR782059A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE782059X 1934-02-19

Publications (1)

Publication Number Publication Date
FR782059A true FR782059A (en) 1935-05-27

Family

ID=6693162

Family Applications (1)

Application Number Title Priority Date Filing Date
FR782059D Expired FR782059A (en) 1934-02-19 1934-11-30 Improvements to autofocus magnifiers

Country Status (1)

Country Link
FR (1) FR782059A (en)

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