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GB2017333B - Viewfinder system for a single-lens reflex camera - Google Patents

Viewfinder system for a single-lens reflex camera

Info

Publication number
GB2017333B
GB2017333B GB7904746A GB7904746A GB2017333B GB 2017333 B GB2017333 B GB 2017333B GB 7904746 A GB7904746 A GB 7904746A GB 7904746 A GB7904746 A GB 7904746A GB 2017333 B GB2017333 B GB 2017333B
Authority
GB
United Kingdom
Prior art keywords
lens reflex
reflex camera
viewfinder system
viewfinder
camera
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
GB7904746A
Other versions
GB2017333A (en
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
Publication of GB2017333A publication Critical patent/GB2017333A/en
Application granted granted Critical
Publication of GB2017333B publication Critical patent/GB2017333B/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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/18—Signals indicating condition of a camera member or suitability of light
    • G03B17/20—Signals indicating condition of a camera member or suitability of light visible in viewfinder
    • 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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
  • Cameras In General (AREA)
GB7904746A 1978-02-13 1979-02-09 Viewfinder system for a single-lens reflex camera Expired GB2017333B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20366678A DD134572A1 (en) 1978-02-13 1978-02-13 SEARCH SYSTEM FOR A UNIQUE MIRROR REFLEX CAMERA

Publications (2)

Publication Number Publication Date
GB2017333A GB2017333A (en) 1979-10-03
GB2017333B true GB2017333B (en) 1982-06-03

Family

ID=5511511

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7904746A Expired GB2017333B (en) 1978-02-13 1979-02-09 Viewfinder system for a single-lens reflex camera

Country Status (3)

Country Link
DD (1) DD134572A1 (en)
DE (2) DE7901496U1 (en)
GB (1) GB2017333B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD211191A1 (en) * 1982-11-04 1984-07-04 Pentacon Dresden Veb ARRANGEMENT OF DISPLAY INDICATORS FOR MIRROR REFLECTION CAMERAS
JPH10186454A (en) * 1996-12-20 1998-07-14 Asahi Optical Co Ltd prism

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201171B (en) * 1963-02-02 1965-09-16 Kodak Ag Device for making scales visible in a single-lens reflex camera with a penta roof prism
DE2417853B2 (en) * 1973-04-17 1975-10-16 Canon K.K., Tokio Viewfinder for a single lens reflex camera
JPS545616Y2 (en) * 1973-11-07 1979-03-13
DE2805334A1 (en) * 1978-02-09 1979-08-16 Rollei Werke Franke Heidecke SLR pentaprism view finder display - has external abutted and facet faced mirrors to reflect aperture setting on barrel ring onto view finder

Also Published As

Publication number Publication date
DE7901496U1 (en) 1979-04-26
DE2902254C2 (en) 1983-05-19
GB2017333A (en) 1979-10-03
DD134572A1 (en) 1979-03-07
DE2902254A1 (en) 1979-08-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee