JP2000171696A5 - - Google Patents
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- Publication number
- JP2000171696A5 JP2000171696A5 JP1998363796A JP36379698A JP2000171696A5 JP 2000171696 A5 JP2000171696 A5 JP 2000171696A5 JP 1998363796 A JP1998363796 A JP 1998363796A JP 36379698 A JP36379698 A JP 36379698A JP 2000171696 A5 JP2000171696 A5 JP 2000171696A5
- Authority
- JP
- Japan
- Prior art keywords
- lens
- aperture
- focus detection
- opening
- mask
- 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 description 51
- 230000003287 optical effect Effects 0.000 description 23
- 210000001747 pupil Anatomy 0.000 description 17
- 230000004907 flux Effects 0.000 description 15
- 238000003384 imaging method Methods 0.000 description 13
- 230000000007 visual effect Effects 0.000 description 9
- 238000009826 distribution Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36379698A JP4289707B2 (ja) | 1998-12-07 | 1998-12-07 | 焦点検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP36379698A JP4289707B2 (ja) | 1998-12-07 | 1998-12-07 | 焦点検出装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000171696A JP2000171696A (ja) | 2000-06-23 |
| JP2000171696A5 true JP2000171696A5 (enrdf_load_stackoverflow) | 2009-04-09 |
| JP4289707B2 JP4289707B2 (ja) | 2009-07-01 |
Family
ID=18480220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP36379698A Expired - Lifetime JP4289707B2 (ja) | 1998-12-07 | 1998-12-07 | 焦点検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4289707B2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012037828A (ja) * | 2010-08-11 | 2012-02-23 | Sony Corp | 焦点検出装置、および撮像装置 |
-
1998
- 1998-12-07 JP JP36379698A patent/JP4289707B2/ja not_active Expired - Lifetime
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