FR1198330A - Optical viewfinder - Google Patents

Optical viewfinder

Info

Publication number
FR1198330A
FR1198330A FR1198330DA FR1198330A FR 1198330 A FR1198330 A FR 1198330A FR 1198330D A FR1198330D A FR 1198330DA FR 1198330 A FR1198330 A FR 1198330A
Authority
FR
France
Prior art keywords
optical viewfinder
viewfinder
optical
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
Albert Bouwers
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.)
Optische Industrie de Oude Delft NV
Original Assignee
Optische Industrie de Oude Delft NV
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 Optische Industrie de Oude Delft NV filed Critical Optische Industrie de Oude Delft NV
Application granted granted Critical
Publication of FR1198330A publication Critical patent/FR1198330A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR1198330D 1957-06-27 1958-06-26 Optical viewfinder Expired FR1198330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1198330X 1957-06-27

Publications (1)

Publication Number Publication Date
FR1198330A true FR1198330A (en) 1959-12-07

Family

ID=4562549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1198330D Expired FR1198330A (en) 1957-06-27 1958-06-26 Optical viewfinder

Country Status (1)

Country Link
FR (1) FR1198330A (en)

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