DE2425072C2 - Meßeinrichtung zur Belichtungsmessung für eine einäugige Spiegelreflexkamera - Google Patents

Meßeinrichtung zur Belichtungsmessung für eine einäugige Spiegelreflexkamera

Info

Publication number
DE2425072C2
DE2425072C2 DE2425072A DE2425072A DE2425072C2 DE 2425072 C2 DE2425072 C2 DE 2425072C2 DE 2425072 A DE2425072 A DE 2425072A DE 2425072 A DE2425072 A DE 2425072A DE 2425072 C2 DE2425072 C2 DE 2425072C2
Authority
DE
Germany
Prior art keywords
light
mirror
receiving element
exposure
measuring device
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
DE2425072A
Other languages
German (de)
English (en)
Other versions
DE2425072A1 (de
Inventor
Teiji Kawasaki Hashimoto
Masamichi Tokyo Kakunodate
Takehiko Zama Kiyohara
Soichi Machida Tokyo Nakamoto
Tokuichi Yokohama Kanagawa Tsunekawa
Takashi Uchiyama
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE2425072A1 publication Critical patent/DE2425072A1/de
Application granted granted Critical
Publication of DE2425072C2 publication Critical patent/DE2425072C2/de
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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09973—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09974—Through the lens [TTL] measuring in mirror-reflex cameras using the film or shutter as sensor light reflecting member
    • 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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera
    • G03B7/0997—Through the lens [TTL] measuring
    • G03B7/09971—Through the lens [TTL] measuring in mirror-reflex cameras
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cameras In General (AREA)
  • Exposure Control For Cameras (AREA)
  • Studio Devices (AREA)
  • Viewfinders (AREA)
DE2425072A 1973-05-24 1974-05-24 Meßeinrichtung zur Belichtungsmessung für eine einäugige Spiegelreflexkamera Expired DE2425072C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5837073A JPS5725813B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-05-24 1973-05-24

Publications (2)

Publication Number Publication Date
DE2425072A1 DE2425072A1 (de) 1974-12-12
DE2425072C2 true DE2425072C2 (de) 1983-12-01

Family

ID=13082428

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2425072A Expired DE2425072C2 (de) 1973-05-24 1974-05-24 Meßeinrichtung zur Belichtungsmessung für eine einäugige Spiegelreflexkamera

Country Status (3)

Country Link
US (1) US3872484A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5725813B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2425072C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5217817A (en) * 1975-07-03 1977-02-10 Asahi Optical Co Ltd Light measure device fot the single lens reflex camera
JPS5269620A (en) * 1975-12-09 1977-06-09 Asahi Optical Co Ltd Singleelens reflex camera photometric device
US4118718A (en) * 1977-06-21 1978-10-03 Veb Pentacon Dresden Kamera-Und Kinowerke Measuring and control system for single lens reflex
DE3115050A1 (de) * 1980-04-15 1982-03-11 Konishiroku Photo Industry Co., Ltd., Tokyo Belichtungsmeldevorrichtung fuer kameras
JPS614902Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1980-11-18 1986-02-15
JPS6027031Y2 (ja) * 1981-02-20 1985-08-14 八千代スチ−ル器材株式会社 印刷版、写真、図面等の立体保管装置
JPS57178224U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1981-05-02 1982-11-11
JPS5842004A (ja) * 1981-09-07 1983-03-11 Canon Inc 光学素子の位置決め方法
JPS5977433A (ja) * 1982-10-26 1984-05-02 Dainippon Screen Mfg Co Ltd 複写カメラ
JPS60247369A (ja) * 1984-05-23 1985-12-07 Dainippon Screen Mfg Co Ltd アレイセンサ解像度増加方法および装置
DE19633553C1 (de) * 1996-08-20 1997-10-30 Leica Camera Ag Einrichtung zur Belichtungsmessung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1257012B (de) * 1963-07-12 1967-12-21 Zeiss Ikon Ag Spiegelreflexkamera mit Photoelement
US3540364A (en) * 1967-02-02 1970-11-17 Nippon Kogaku Kk Light shielding device for a single lens reflex camera
US3559551A (en) * 1967-04-20 1971-02-02 Nippon Kogaku Kk Exposure meter for a single lens reflex camera having interchangeable lenses
US3612703A (en) * 1967-05-29 1971-10-12 Mamiya Camera Combined spot and average photometric system
DE1597073B2 (de) * 1967-09-29 1971-12-09 Agfa Gevaert AG, 5090 Leverkusen Kinematographische kamera mit einer belichtungsmessvorrichtung
US3643575A (en) * 1967-10-31 1972-02-22 Nippon Kogaku Kk Exposure-measuring device in a single-lens reflex camera
DE1277664B (de) * 1968-01-12 1968-09-12 Leitz Ernst Gmbh Einaeugige Spiegelreflexkamera
US3638548A (en) * 1968-10-29 1972-02-01 Ricoh Kk Exposure meter system for cameras
US3726197A (en) * 1969-03-26 1973-04-10 Canon Kk Apparatus for automatic electronic flash photography
US3636839A (en) * 1969-08-27 1972-01-25 Yashica Co Ltd Electronic shutter cameras with occluded light-measuring systems
FR2069449A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1969-11-15 1971-09-03 Minolta Camera Kk
US3791276A (en) * 1971-06-04 1974-02-12 Minolta Camera Kk Light measuring apparatus for camera shutter control mechanisms

Also Published As

Publication number Publication date
JPS5725813B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-06-01
JPS5010132A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1975-02-01
US3872484A (en) 1975-03-18
DE2425072A1 (de) 1974-12-12

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification
8126 Change of the secondary classification
D2 Grant after examination
8364 No opposition during term of opposition