FR674775A - Improvements to cameras and objective lenses - Google Patents

Improvements to cameras and objective lenses

Info

Publication number
FR674775A
FR674775A FR674775DA FR674775A FR 674775 A FR674775 A FR 674775A FR 674775D A FR674775D A FR 674775DA FR 674775 A FR674775 A FR 674775A
Authority
FR
France
Prior art keywords
cameras
objective lenses
lenses
objective
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
Benjamin-Ellan Luboshez
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 FR674775A publication Critical patent/FR674775A/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
    • G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
    • G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR674775D 1928-05-11 1929-05-08 Improvements to cameras and objective lenses Expired FR674775A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB674775X 1928-05-11

Publications (1)

Publication Number Publication Date
FR674775A true FR674775A (en) 1930-02-01

Family

ID=10491982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR674775D Expired FR674775A (en) 1928-05-11 1929-05-08 Improvements to cameras and objective lenses

Country Status (1)

Country Link
FR (1) FR674775A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE928029C (en) * 1942-09-15 1955-05-23 Siemens Reiniger Werke Ag Device for X-ray screen photography

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE928029C (en) * 1942-09-15 1955-05-23 Siemens Reiniger Werke Ag Device for X-ray screen photography

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