GB1462437A - Photographic miniature cameras with built-in viewfinder - Google Patents

Photographic miniature cameras with built-in viewfinder

Info

Publication number
GB1462437A
GB1462437A GB5209574A GB5209574A GB1462437A GB 1462437 A GB1462437 A GB 1462437A GB 5209574 A GB5209574 A GB 5209574A GB 5209574 A GB5209574 A GB 5209574A GB 1462437 A GB1462437 A GB 1462437A
Authority
GB
United Kingdom
Prior art keywords
rays
ray divider
lens
objective lens
image
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
GB5209574A
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 GB1462437A publication Critical patent/GB1462437A/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
    • 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)
  • Focusing (AREA)
  • Cameras In General (AREA)
GB5209574A 1973-12-07 1974-12-02 Photographic miniature cameras with built-in viewfinder Expired GB1462437A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD17517273A DD108607A1 (en:Method) 1973-12-07 1973-12-07

Publications (1)

Publication Number Publication Date
GB1462437A true GB1462437A (en) 1977-01-26

Family

ID=5493775

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5209574A Expired GB1462437A (en) 1973-12-07 1974-12-02 Photographic miniature cameras with built-in viewfinder

Country Status (4)

Country Link
JP (1) JPS5092130A (en:Method)
DD (1) DD108607A1 (en:Method)
DE (1) DE2458194A1 (en:Method)
GB (1) GB1462437A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059229U (ja) * 1983-09-29 1985-04-24 キヤノン株式会社 一次結像式フアインダ−
JPH0629925B2 (ja) * 1984-10-17 1994-04-20 キヤノン株式会社 フアインダ−光学系
JP2696824B2 (ja) * 1987-02-09 1998-01-14 オリンパス光学工業株式会社 電子スチルカメラのファインダー光学系
JP3402655B2 (ja) * 1993-04-13 2003-05-06 二郎 関根 カメラ
JP6839814B2 (ja) * 2014-06-11 2021-03-10 パナソニックＩｐマネジメント株式会社 安定化電源装置及びそれを用いた配電システム

Also Published As

Publication number Publication date
DE2458194A1 (de) 1975-06-12
DD108607A1 (en:Method) 1974-09-20
JPS5092130A (en:Method) 1975-07-23

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Legal Events

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