GB1580830A - Viewfinder and exposure factor indicator for phtographic cameras - Google Patents

Viewfinder and exposure factor indicator for phtographic cameras Download PDF

Info

Publication number
GB1580830A
GB1580830A GB2226877A GB2226877A GB1580830A GB 1580830 A GB1580830 A GB 1580830A GB 2226877 A GB2226877 A GB 2226877A GB 2226877 A GB2226877 A GB 2226877A GB 1580830 A GB1580830 A GB 1580830A
Authority
GB
United Kingdom
Prior art keywords
viewfinder
indicator
panel
eyepiece
roof prism
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
GB2226877A
Other languages
English (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 GB1580830A publication Critical patent/GB1580830A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Viewfinders (AREA)
  • Lenses (AREA)
GB2226877A 1976-05-31 1977-05-26 Viewfinder and exposure factor indicator for phtographic cameras Expired GB1580830A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD19311476A DD126394B1 (de) 1976-05-31 1976-05-31 Anzeigeeinrichtung im suchersystem photographischer kameras

Publications (1)

Publication Number Publication Date
GB1580830A true GB1580830A (en) 1980-12-03

Family

ID=5504679

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2226877A Expired GB1580830A (en) 1976-05-31 1977-05-26 Viewfinder and exposure factor indicator for phtographic cameras

Country Status (3)

Country Link
DD (1) DD126394B1 (enExample)
DE (2) DE2720400A1 (enExample)
GB (1) GB1580830A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130388A (en) * 1982-11-04 1984-05-31 Pentacon Dresden Veb An arrangement of display indicators for reflex cameras

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD213310A1 (de) * 1982-12-31 1984-09-05 Pentacon Dresden Veb Beleuchtungsanordnung fuer die informationsanzeige bei sr-kameras

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2130388A (en) * 1982-11-04 1984-05-31 Pentacon Dresden Veb An arrangement of display indicators for reflex cameras

Also Published As

Publication number Publication date
DE7714405U1 (de) 1977-10-06
DD126394B1 (de) 1979-05-30
DE2720400A1 (de) 1977-12-15
DD126394A1 (enExample) 1977-07-13

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Legal Events

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