CH448721A - Belichtungsmesseinrichtung für Spiegelreflexkameras - Google Patents
Belichtungsmesseinrichtung für SpiegelreflexkamerasInfo
- Publication number
- CH448721A CH448721A CH825267A CH825267A CH448721A CH 448721 A CH448721 A CH 448721A CH 825267 A CH825267 A CH 825267A CH 825267 A CH825267 A CH 825267A CH 448721 A CH448721 A CH 448721A
- Authority
- CH
- Switzerland
- Prior art keywords
- lens reflex
- exposure meter
- reflex cameras
- cameras
- meter
- Prior art date
Links
- 230000011514 reflex Effects 0.000 title 1
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
- 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
- G03B7/09972—Through the lens [TTL] measuring in mirror-reflex cameras using the mirror as sensor light reflecting or transmitting member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Viewfinders (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Focusing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEL0053857 | 1966-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH448721A true CH448721A (de) | 1967-12-15 |
Family
ID=7275725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH825267A CH448721A (de) | 1966-06-16 | 1967-06-12 | Belichtungsmesseinrichtung für Spiegelreflexkameras |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3523497A (de) |
| AT (1) | AT274560B (de) |
| CH (1) | CH448721A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4174894A (en) * | 1975-09-01 | 1979-11-20 | Nippon Kogaku K.K. | TTL metering device in a single lens reflex camera |
| US4172643A (en) * | 1976-02-04 | 1979-10-30 | Veb Pentacon Dresden Kamera Und Kinowerke | Exposure measuring apparatus for photographic cameras |
| JPS5821234A (ja) | 1981-07-28 | 1983-02-08 | Canon Inc | 一眼レフカメラの測光装置 |
| DE3247764A1 (de) * | 1982-12-23 | 1984-06-28 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Fotografische kamera |
-
1967
- 1967-03-31 AT AT316567A patent/AT274560B/de active
- 1967-06-12 CH CH825267A patent/CH448721A/de unknown
- 1967-06-12 US US645441A patent/US3523497A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3523497A (en) | 1970-08-11 |
| AT274560B (de) | 1969-09-25 |
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