GB1027488A - Direct-view viewfinder with variable equivalent focal length - Google Patents

Direct-view viewfinder with variable equivalent focal length

Info

Publication number
GB1027488A
GB1027488A GB606064A GB606064A GB1027488A GB 1027488 A GB1027488 A GB 1027488A GB 606064 A GB606064 A GB 606064A GB 606064 A GB606064 A GB 606064A GB 1027488 A GB1027488 A GB 1027488A
Authority
GB
United Kingdom
Prior art keywords
view
direct
focal length
equivalent focal
viewfinder
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
GB606064A
Inventor
Rolf Jurenz
Karl-Heinz Wendland
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.)
Pentacon GmbH Foto und Feinwerktechnik
Original Assignee
Pentacon Dresden VEB
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 Pentacon Dresden VEB filed Critical Pentacon Dresden VEB
Priority to GB606064A priority Critical patent/GB1027488A/en
Publication of GB1027488A publication Critical patent/GB1027488A/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
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/02—Viewfinders

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)

Abstract

1,027,488. View-finders for photographic cameras. PENTACON DRESDEN KAMERA-UND KINOWERKE VEB. Feb. 13,1964, No. 6060/64. Headings G2A and G2J. Indicia are observed outside the view-finder field through eye lens 3 and without lens 4, 5 which is movable to alter the field of view of the viewfinder. Pointer 7 is illuminated by a ground portion 2<SP>1</SP> of lens 2 and viewed through aperture 9. A scale is provided on translucent member 6 and an additional scale may be printed or etched on position 21.
GB606064A 1964-02-13 1964-02-13 Direct-view viewfinder with variable equivalent focal length Expired GB1027488A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB606064A GB1027488A (en) 1964-02-13 1964-02-13 Direct-view viewfinder with variable equivalent focal length

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB606064A GB1027488A (en) 1964-02-13 1964-02-13 Direct-view viewfinder with variable equivalent focal length

Publications (1)

Publication Number Publication Date
GB1027488A true GB1027488A (en) 1966-04-27

Family

ID=9807687

Family Applications (1)

Application Number Title Priority Date Filing Date
GB606064A Expired GB1027488A (en) 1964-02-13 1964-02-13 Direct-view viewfinder with variable equivalent focal length

Country Status (1)

Country Link
GB (1) GB1027488A (en)

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