AT274560B - Belichtungsmesser für Spiegelreflexkameras - Google Patents
Belichtungsmesser für SpiegelreflexkamerasInfo
- Publication number
- AT274560B AT274560B AT316567A AT316567A AT274560B AT 274560 B AT274560 B AT 274560B AT 316567 A AT316567 A AT 316567A AT 316567 A AT316567 A AT 316567A AT 274560 B AT274560 B AT 274560B
- Authority
- AT
- Austria
- Prior art keywords
- single lens
- lens reflex
- reflex cameras
- exposure meters
- meters
- Prior art date
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
- 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 |
---|---|
AT274560B true AT274560B (de) | 1969-09-25 |
Family
ID=7275725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT316567A AT274560B (de) | 1966-06-16 | 1967-03-31 | Belichtungsmesser für Spiegelreflexkameras |
Country Status (3)
Country | Link |
---|---|
US (1) | US3523497A (de) |
AT (1) | AT274560B (de) |
CH (1) | CH448721A (de) |
Families Citing this family (3)
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 |
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 |
CH448721A (de) | 1967-12-15 |
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