GB1559613A - Viewfinder for a single-lens reflex camera - Google Patents

Viewfinder for a single-lens reflex camera Download PDF

Info

Publication number
GB1559613A
GB1559613A GB43760/76A GB4376076A GB1559613A GB 1559613 A GB1559613 A GB 1559613A GB 43760/76 A GB43760/76 A GB 43760/76A GB 4376076 A GB4376076 A GB 4376076A GB 1559613 A GB1559613 A GB 1559613A
Authority
GB
United Kingdom
Prior art keywords
viewfinder
mirror
prism
reflection surface
pentagonal
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
GB43760/76A
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of GB1559613A publication Critical patent/GB1559613A/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
    • 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)
  • Cameras In General (AREA)
  • Indication In Cameras, And Counting Of Exposures (AREA)
GB43760/76A 1975-10-28 1976-10-21 Viewfinder for a single-lens reflex camera Expired GB1559613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975146053U JPS5260332U (enExample) 1975-10-28 1975-10-28

Publications (1)

Publication Number Publication Date
GB1559613A true GB1559613A (en) 1980-01-23

Family

ID=15399018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43760/76A Expired GB1559613A (en) 1975-10-28 1976-10-21 Viewfinder for a single-lens reflex camera

Country Status (5)

Country Link
US (1) US4118722A (enExample)
JP (1) JPS5260332U (enExample)
DE (2) DE2648439A1 (enExample)
FR (1) FR2330029A1 (enExample)
GB (1) GB1559613A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317967A (en) * 1996-09-02 1998-04-08 Asahi Optical Co Ltd Adjustable internal indicator of a viewfinder in a camera
GB2320584A (en) * 1996-12-20 1998-06-24 Asahi Optical Co Ltd Prism with part recessed rear face for viewfinder

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5461643U (enExample) * 1977-10-08 1979-04-28
JP2001264854A (ja) * 2000-03-15 2001-09-26 Canon Inc ファインダー装置及びそれを用いた光学機器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094911A (en) * 1958-12-09 1963-06-25 Voigtlaender Ag Photographic camera
US3174416A (en) * 1961-05-04 1965-03-23 Kamera & Kinowerke Dresden Veb Monocular mirror reflex camera
US3675558A (en) * 1968-10-19 1972-07-11 Minolta Camera Kk Improved optical system for a single lens reflex camera
US3656421A (en) * 1969-02-28 1972-04-18 Ricoh Kk Viewfinder optical system
JPS542667Y2 (enExample) * 1973-10-11 1979-02-05

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317967A (en) * 1996-09-02 1998-04-08 Asahi Optical Co Ltd Adjustable internal indicator of a viewfinder in a camera
US5839007A (en) * 1996-09-02 1998-11-17 Asahi Kogaku Kogyo Kabushiki Kaisha Internal indicator of a view finder in a camera
GB2317967B (en) * 1996-09-02 2001-04-18 Asahi Optical Co Ltd Internal indicator of a view finder in a camera
GB2320584A (en) * 1996-12-20 1998-06-24 Asahi Optical Co Ltd Prism with part recessed rear face for viewfinder
GB2320584B (en) * 1996-12-20 2001-06-06 Asahi Optical Co Ltd Prism with part recessed rear face for viewfinder

Also Published As

Publication number Publication date
US4118722A (en) 1978-10-03
DE2648439A1 (de) 1977-05-12
JPS5260332U (enExample) 1977-05-02
FR2330029A1 (fr) 1977-05-27
DE7633518U1 (de) 1979-01-11
FR2330029B1 (enExample) 1982-02-19

Similar Documents

Publication Publication Date Title
US4770528A (en) Optical system of a radiation thermometer
US4081807A (en) Reflex mirror for single lens reflex camera
JPS60263912A (ja) カメラの焦点検出装置
US3819255A (en) Eye-level and waist-level viewfinder
US5434680A (en) Image reader
US3872484A (en) Metering device for a single lens reflex camera
GB1559613A (en) Viewfinder for a single-lens reflex camera
US3962710A (en) Viewfinder for a single lens reflex camera
US3911457A (en) Viewfinder for single lens reflex cameras including means to view exposure guides
US4064516A (en) Reflex camera light detecting arrangement
US4429964A (en) Mirror-reflex camera with electronic rangefinder
US4188102A (en) Mirror reflex camera with electronic rangefinder
US4470682A (en) Optical element positioning method and optical element assembly utilizing the same
US3675558A (en) Improved optical system for a single lens reflex camera
US4392729A (en) Movable reflecting mirror for single lens reflex camera
US5668919A (en) Camera
US4368965A (en) Photometric assembly for camera
US4119985A (en) View finder for reflex camera
US4005441A (en) Photometric device of through the lens type exposure meter in a single-lens reflex camera
JPS6255769B2 (enExample)
US4032938A (en) Miniature single lens reflex camera
JPS5821234A (ja) 一眼レフカメラの測光装置
US3170159A (en) Motion picture camera
US4470686A (en) Distance and light measuring device for single lens reflex camera
US4332446A (en) View finder for camera

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee