JPS5994720A - 合焦検出装置 - Google Patents
合焦検出装置Info
- Publication number
- JPS5994720A JPS5994720A JP20503382A JP20503382A JPS5994720A JP S5994720 A JPS5994720 A JP S5994720A JP 20503382 A JP20503382 A JP 20503382A JP 20503382 A JP20503382 A JP 20503382A JP S5994720 A JPS5994720 A JP S5994720A
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- focus detection
- pair
- incident
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 238000003491 array Methods 0.000 claims abstract description 18
- 238000003384 imaging method Methods 0.000 claims description 19
- 235000009508 confectionery Nutrition 0.000 claims description 4
- 230000004907 flux Effects 0.000 abstract description 10
- 230000003287 optical effect Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000011156 evaluation Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/34—Systems for automatic generation of focusing signals using different areas in a pupil plane
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20503382A JPS5994720A (ja) | 1982-11-22 | 1982-11-22 | 合焦検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20503382A JPS5994720A (ja) | 1982-11-22 | 1982-11-22 | 合焦検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5994720A true JPS5994720A (ja) | 1984-05-31 |
| JPH0352608B2 JPH0352608B2 (enrdf_load_stackoverflow) | 1991-08-12 |
Family
ID=16500324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20503382A Granted JPS5994720A (ja) | 1982-11-22 | 1982-11-22 | 合焦検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5994720A (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5576310A (en) * | 1978-12-05 | 1980-06-09 | Nippon Kogaku Kk <Nikon> | Automatic focusing device |
| JPS55105204A (en) * | 1979-02-07 | 1980-08-12 | Canon Inc | Optical path branching filter |
| JPS55108629A (en) * | 1979-02-13 | 1980-08-21 | Asahi Optical Co Ltd | Focus detector of camera |
-
1982
- 1982-11-22 JP JP20503382A patent/JPS5994720A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5576310A (en) * | 1978-12-05 | 1980-06-09 | Nippon Kogaku Kk <Nikon> | Automatic focusing device |
| JPS55105204A (en) * | 1979-02-07 | 1980-08-12 | Canon Inc | Optical path branching filter |
| JPS55108629A (en) * | 1979-02-13 | 1980-08-21 | Asahi Optical Co Ltd | Focus detector of camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0352608B2 (enrdf_load_stackoverflow) | 1991-08-12 |
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