JPS5988708A - 焦点検出方法 - Google Patents
焦点検出方法Info
- Publication number
- JPS5988708A JPS5988708A JP57197742A JP19774282A JPS5988708A JP S5988708 A JPS5988708 A JP S5988708A JP 57197742 A JP57197742 A JP 57197742A JP 19774282 A JP19774282 A JP 19774282A JP S5988708 A JPS5988708 A JP S5988708A
- Authority
- JP
- Japan
- Prior art keywords
- incident light
- photodetector
- optical system
- imaging optical
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 238000003384 imaging method Methods 0.000 claims abstract description 17
- 238000011156 evaluation Methods 0.000 claims abstract description 14
- 210000001747 pupil Anatomy 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000003491 array Methods 0.000 abstract description 5
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 239000007787 solid 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
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57197742A JPS5988708A (ja) | 1982-11-12 | 1982-11-12 | 焦点検出方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57197742A JPS5988708A (ja) | 1982-11-12 | 1982-11-12 | 焦点検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5988708A true JPS5988708A (ja) | 1984-05-22 |
JPH0311444B2 JPH0311444B2 (enrdf_load_stackoverflow) | 1991-02-18 |
Family
ID=16379582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57197742A Granted JPS5988708A (ja) | 1982-11-12 | 1982-11-12 | 焦点検出方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5988708A (enrdf_load_stackoverflow) |
-
1982
- 1982-11-12 JP JP57197742A patent/JPS5988708A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0311444B2 (enrdf_load_stackoverflow) | 1991-02-18 |
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