JPS5818619A - 露出測定装置 - Google Patents
露出測定装置Info
- Publication number
- JPS5818619A JPS5818619A JP57093263A JP9326382A JPS5818619A JP S5818619 A JPS5818619 A JP S5818619A JP 57093263 A JP57093263 A JP 57093263A JP 9326382 A JP9326382 A JP 9326382A JP S5818619 A JPS5818619 A JP S5818619A
- Authority
- JP
- Japan
- Prior art keywords
- exposure
- concave mirror
- measuring device
- pentaprism
- light
- 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.)
- Pending
Links
- 230000003287 optical effect Effects 0.000 claims description 15
- 210000001747 pupil Anatomy 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 13
- 230000011514 reflex Effects 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 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
- G03B7/09976—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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813129069 DE3129069A1 (de) | 1981-07-23 | 1981-07-23 | Einrichtung zur belichtungsmessung |
DE31290698 | 1981-07-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5818619A true JPS5818619A (ja) | 1983-02-03 |
Family
ID=6137549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57093263A Pending JPS5818619A (ja) | 1981-07-23 | 1982-06-02 | 露出測定装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US4496231A (en, 2012) |
JP (1) | JPS5818619A (en, 2012) |
DE (1) | DE3129069A1 (en, 2012) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9500746D0 (sv) * | 1995-03-01 | 1995-03-01 | Hasselblad Ab Victor | Device and method for facilitating this focusing of a camera |
WO2009093582A1 (ja) * | 2008-01-23 | 2009-07-30 | Nikon Vision Co., Ltd. | 望遠鏡光学系 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE58002C (de) * | F. KOERNIG in Bromberg | Lokomotive zum Treideln | ||
US3612703A (en) * | 1967-05-29 | 1971-10-12 | Mamiya Camera | Combined spot and average photometric system |
DE2021179C3 (de) * | 1970-04-30 | 1975-02-13 | Hasselblad, Fritz Victor, Dr., Goeteborg (Schweden) | Prismensucher für Spiegelreflexkameras |
DE2731192C2 (de) * | 1977-07-09 | 1985-05-15 | Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar | Spiegelreflexkamera mit Pentaprisma und elektronischem Entfernungsmesser |
DE2826974A1 (de) * | 1978-05-12 | 1980-01-17 | Licentia Gmbh | Aussenspiegel fuer kraftfahrzeuge |
-
1981
- 1981-07-23 DE DE19813129069 patent/DE3129069A1/de active Granted
-
1982
- 1982-06-02 JP JP57093263A patent/JPS5818619A/ja active Pending
- 1982-07-21 US US06/400,253 patent/US4496231A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4496231A (en) | 1985-01-29 |
DE3129069C2 (en, 2012) | 1989-12-07 |
DE3129069A1 (de) | 1983-02-10 |
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