JPS50123336A - - Google Patents

Info

Publication number
JPS50123336A
JPS50123336A JP49028538A JP2853874A JPS50123336A JP S50123336 A JPS50123336 A JP S50123336A JP 49028538 A JP49028538 A JP 49028538A JP 2853874 A JP2853874 A JP 2853874A JP S50123336 A JPS50123336 A JP S50123336A
Authority
JP
Japan
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.)
Pending
Application number
JP49028538A
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 filed Critical
Priority to JP49028538A priority Critical patent/JPS50123336A/ja
Priority to US05/557,221 priority patent/US3999194A/en
Priority to DE19752510976 priority patent/DE2510976A1/de
Publication of JPS50123336A publication Critical patent/JPS50123336A/ja
Pending 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
    • G03B7/081—Analogue circuits
    • G03B7/083—Analogue circuits for control of exposure time
    • 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)
  • Viewfinders (AREA)
  • Exposure Control For Cameras (AREA)
JP49028538A 1974-03-14 1974-03-14 Pending JPS50123336A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP49028538A JPS50123336A (ja) 1974-03-14 1974-03-14
US05/557,221 US3999194A (en) 1974-03-14 1975-03-10 Structure for mounting components for single lens reflex cameras
DE19752510976 DE2510976A1 (de) 1974-03-14 1975-03-13 Einaeugige spiegelreflexkamera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49028538A JPS50123336A (ja) 1974-03-14 1974-03-14

Publications (1)

Publication Number Publication Date
JPS50123336A true JPS50123336A (ja) 1975-09-27

Family

ID=12251435

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49028538A Pending JPS50123336A (ja) 1974-03-14 1974-03-14

Country Status (3)

Country Link
US (1) US3999194A (ja)
JP (1) JPS50123336A (ja)
DE (1) DE2510976A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5267624A (en) * 1975-12-02 1977-06-04 Canon Inc Photographic information indicating device for cemera
JPS5365726A (en) * 1976-11-24 1978-06-12 Canon Inc Penta-prism fixing device
US4278339A (en) * 1979-05-18 1981-07-14 Minolta Camera Kabushiki Kaisha Pentagonal prism module for camera viewfinder
JPH08129210A (ja) * 1994-10-31 1996-05-21 Nikon Corp カメラ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3603200A (en) * 1970-04-17 1971-09-07 Ricoh Kk Roof-type reflecting mirror for viewfinder of single lens reflex camera
DE2021179C3 (de) * 1970-04-30 1975-02-13 Hasselblad, Fritz Victor, Dr., Goeteborg (Schweden) Prismensucher für Spiegelreflexkameras
US3866240A (en) * 1970-08-12 1975-02-11 Minolta Camera Kk Photographic camera having a photosensitive element for measuring the light rays through the objective lens
JPS4936330A (ja) * 1972-08-07 1974-04-04
JPS49105590A (ja) * 1973-02-06 1974-10-05

Also Published As

Publication number Publication date
DE2510976A1 (de) 1975-09-18
US3999194A (en) 1976-12-21

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