DE7509160U - Vorrichtung zur lichtmessung durch das objektiv einer einaeugigen spiegelreflexkamera - Google Patents

Vorrichtung zur lichtmessung durch das objektiv einer einaeugigen spiegelreflexkamera

Info

Publication number
DE7509160U
DE7509160U DE7509160U DE7509160U DE7509160U DE 7509160 U DE7509160 U DE 7509160U DE 7509160 U DE7509160 U DE 7509160U DE 7509160 U DE7509160 U DE 7509160U DE 7509160 U DE7509160 U DE 7509160U
Authority
DE
Germany
Prior art keywords
light
lens
pentaprism
camera
sensitive element
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
DE7509160U
Other languages
German (de)
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo Co Ltd
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 Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of DE7509160U publication Critical patent/DE7509160U/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
    • G03B7/09976—Through the lens [TTL] measuring in mirror-reflex cameras the sensor being mounted in, before, or behind the porro-prism
    • 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
    • G03B7/09979—Multi-zone light measuring

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Viewfinders (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Cameras In General (AREA)
DE7509160U 1974-03-23 1975-03-21 Vorrichtung zur lichtmessung durch das objektiv einer einaeugigen spiegelreflexkamera Expired DE7509160U (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1974033269U JPS50123337U (enExample) 1974-03-23 1974-03-23

Publications (1)

Publication Number Publication Date
DE7509160U true DE7509160U (de) 1977-04-07

Family

ID=12381793

Family Applications (2)

Application Number Title Priority Date Filing Date
DE7509160U Expired DE7509160U (de) 1974-03-23 1975-03-21 Vorrichtung zur lichtmessung durch das objektiv einer einaeugigen spiegelreflexkamera
DE19752512657 Pending DE2512657A1 (de) 1974-03-23 1975-03-21 Vorrichtung zur lichtmessung durch das objektiv einer einaeugigen spiegelreflexkamera

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE19752512657 Pending DE2512657A1 (de) 1974-03-23 1975-03-21 Vorrichtung zur lichtmessung durch das objektiv einer einaeugigen spiegelreflexkamera

Country Status (4)

Country Link
US (1) US4019191A (enExample)
JP (1) JPS50123337U (enExample)
DE (2) DE7509160U (enExample)
GB (1) GB1453406A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56104323A (en) * 1980-01-23 1981-08-20 Minolta Camera Co Ltd Ttl photometric device of automatic exposure controlling single-lens reflex camera
JP2888563B2 (ja) * 1989-10-27 1999-05-10 旭光学工業株式会社 カメラの測距装置
US5278607A (en) * 1990-10-05 1994-01-11 Asahi Kogaku Kogyo Kabushiki Kaisha Photometering device in single lens reflex camera
JPH07248523A (ja) * 1994-03-11 1995-09-26 Nikon Corp 測光値補正装置付きカメラ
US5970263A (en) * 1997-07-16 1999-10-19 Asahi Kogaku Kogyo Kabushiki Kaisha Photometering lens for SLR camera and adjusting of photometering device
US7761003B2 (en) * 2007-05-24 2010-07-20 Nikon Corporation Optical apparatus and manufacturing method of optical apparatus
JP5532370B2 (ja) * 2007-05-24 2014-06-25 株式会社ニコン 光学機器および光学機器の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3106129A (en) * 1960-07-20 1963-10-08 Leitz Ernst Gmbh Arrangement for measuring exposure time
US3532043A (en) * 1966-05-07 1970-10-06 Nippon Kogaku Kk Exposure meter for measuring the illumination of image area
US3498193A (en) * 1966-05-28 1970-03-03 Nippon Kogaku Kk Exposure meter for measuring the illumination of image area
JPS4513350Y1 (enExample) * 1967-06-23 1970-06-08
JPS556205B1 (enExample) * 1970-07-23 1980-02-14
US3649112A (en) * 1970-09-04 1972-03-14 Eastman Kodak Co Camera exposure control
AT310831B (de) * 1971-04-29 1973-10-25 Eumig Sucher
JPS5529408B2 (enExample) * 1972-03-15 1980-08-04
JPS4977628A (enExample) * 1972-11-29 1974-07-26

Also Published As

Publication number Publication date
US4019191A (en) 1977-04-19
GB1453406A (en) 1976-10-20
JPS50123337U (enExample) 1975-10-08
DE2512657A1 (de) 1975-10-02

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