FR1014069A - Focusing device for magnifiers, reproducers, etc. - Google Patents

Focusing device for magnifiers, reproducers, etc.

Info

Publication number
FR1014069A
FR1014069A FR1014069DA FR1014069A FR 1014069 A FR1014069 A FR 1014069A FR 1014069D A FR1014069D A FR 1014069DA FR 1014069 A FR1014069 A FR 1014069A
Authority
FR
France
Prior art keywords
magnifiers
reproducers
focusing device
focusing
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.)
PRESNA MECHANIKA NARODNY PODNI
Original Assignee
PRESNA MECHANIKA NARODNY PODNI
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 PRESNA MECHANIKA NARODNY PODNI filed Critical PRESNA MECHANIKA NARODNY PODNI
Application granted granted Critical
Publication of FR1014069A publication Critical patent/FR1014069A/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
    • G03B27/52—Details
    • G03B27/522—Projection optics
FR1014069D 1949-03-11 1950-03-08 Focusing device for magnifiers, reproducers, etc. Expired FR1014069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS1014069X 1949-03-11

Publications (1)

Publication Number Publication Date
FR1014069A true FR1014069A (en) 1952-08-08

Family

ID=5457004

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1014069D Expired FR1014069A (en) 1949-03-11 1950-03-08 Focusing device for magnifiers, reproducers, etc.

Country Status (1)

Country Link
FR (1) FR1014069A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856830A (en) * 1952-11-06 1958-10-21 Voigtlaender Ag Camera focus adjusting mechanism
US2873646A (en) * 1954-10-22 1959-02-17 Angenieux Pierre Mechanism for variable focal length objective
US2890639A (en) * 1953-07-10 1959-06-16 Voigtlaender Ag Camera focus adjusting mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856830A (en) * 1952-11-06 1958-10-21 Voigtlaender Ag Camera focus adjusting mechanism
US2890639A (en) * 1953-07-10 1959-06-16 Voigtlaender Ag Camera focus adjusting mechanism
US2873646A (en) * 1954-10-22 1959-02-17 Angenieux Pierre Mechanism for variable focal length objective

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