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
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
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- 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)
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)
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)
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 |
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1974
- 1974-03-14 JP JP49028538A patent/JPS50123336A/ja active Pending
-
1975
- 1975-03-10 US US05/557,221 patent/US3999194A/en not_active Expired - Lifetime
- 1975-03-13 DE DE19752510976 patent/DE2510976A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2510976A1 (de) | 1975-09-18 |
US3999194A (en) | 1976-12-21 |