FR1030922A - Optical system for cameras with semi-automatic device for adjusting the diaphragm to the preset position - Google Patents

Optical system for cameras with semi-automatic device for adjusting the diaphragm to the preset position

Info

Publication number
FR1030922A
FR1030922A FR1030922DA FR1030922A FR 1030922 A FR1030922 A FR 1030922A FR 1030922D A FR1030922D A FR 1030922DA FR 1030922 A FR1030922 A FR 1030922A
Authority
FR
France
Prior art keywords
cameras
diaphragm
semi
adjusting
optical system
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.)
Jos Schneider Optische Werke GmbH
Original Assignee
Jos Schneider Optische Werke 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 Jos Schneider Optische Werke GmbH filed Critical Jos Schneider Optische Werke GmbH
Application granted granted Critical
Publication of FR1030922A publication Critical patent/FR1030922A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • G03B9/07—Diaphragms with means for presetting the diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1030922D 1950-03-30 1951-01-12 Optical system for cameras with semi-automatic device for adjusting the diaphragm to the preset position Expired FR1030922A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1030922X 1950-03-30

Publications (1)

Publication Number Publication Date
FR1030922A true FR1030922A (en) 1953-06-18

Family

ID=4553693

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1030922D Expired FR1030922A (en) 1950-03-30 1951-01-12 Optical system for cameras with semi-automatic device for adjusting the diaphragm to the preset position

Country Status (1)

Country Link
FR (1) FR1030922A (en)

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