JPS6479711A - Automatic focusing adjuster - Google Patents
Automatic focusing adjusterInfo
- Publication number
- JPS6479711A JPS6479711A JP23702587A JP23702587A JPS6479711A JP S6479711 A JPS6479711 A JP S6479711A JP 23702587 A JP23702587 A JP 23702587A JP 23702587 A JP23702587 A JP 23702587A JP S6479711 A JPS6479711 A JP S6479711A
- Authority
- JP
- Japan
- Prior art keywords
- focus
- error
- automatic focusing
- controller
- lens group
- 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
Landscapes
- Focusing (AREA)
- Automatic Focus Adjustment (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237025A JPH0789174B2 (ja) | 1987-09-21 | 1987-09-21 | 自動焦点調節装置 |
US07/246,815 US4908643A (en) | 1987-09-21 | 1988-09-20 | Automatic focussing adjusting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62237025A JPH0789174B2 (ja) | 1987-09-21 | 1987-09-21 | 自動焦点調節装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6479711A true JPS6479711A (en) | 1989-03-24 |
JPH0789174B2 JPH0789174B2 (ja) | 1995-09-27 |
Family
ID=17009277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62237025A Expired - Lifetime JPH0789174B2 (ja) | 1987-09-21 | 1987-09-21 | 自動焦点調節装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0789174B2 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007271702A (ja) * | 2006-03-30 | 2007-10-18 | Canon Inc | レンズ装置 |
WO2009044776A1 (ja) * | 2007-10-02 | 2009-04-09 | Nikon Corporation | 受光装置、焦点検出装置および撮像装置 |
JP2011191779A (ja) * | 2011-05-16 | 2011-09-29 | Canon Inc | レンズ装置 |
JP2014186338A (ja) * | 2014-05-15 | 2014-10-02 | Canon Inc | 撮像装置、撮像システム、及び撮像装置の制御方法 |
JP2016194717A (ja) * | 2016-07-06 | 2016-11-17 | キヤノン株式会社 | 撮像装置、撮像システム、及び焦点検出方法 |
US9560258B2 (en) | 2008-08-25 | 2017-01-31 | Canon Kabushiki Kaisha | Image sensing apparatus, image sensing system and focus detection method of detecting a focus position of a lens using image signal pair |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58217907A (ja) * | 1982-06-12 | 1983-12-19 | Nippon Seimitsu Kogyo Kk | ズームレンズのフォーカシング方法 |
JPS59116604A (ja) * | 1982-11-22 | 1984-07-05 | Olympus Optical Co Ltd | 焦点検出方法 |
JPS6055309A (ja) * | 1983-09-06 | 1985-03-30 | Minolta Camera Co Ltd | 焦点検出補正可能なカメラの焦点検出装置 |
JPS60262004A (ja) * | 1984-06-11 | 1985-12-25 | Nippon Kogaku Kk <Nikon> | 焦点検出装置 |
-
1987
- 1987-09-21 JP JP62237025A patent/JPH0789174B2/ja not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58217907A (ja) * | 1982-06-12 | 1983-12-19 | Nippon Seimitsu Kogyo Kk | ズームレンズのフォーカシング方法 |
JPS59116604A (ja) * | 1982-11-22 | 1984-07-05 | Olympus Optical Co Ltd | 焦点検出方法 |
JPS6055309A (ja) * | 1983-09-06 | 1985-03-30 | Minolta Camera Co Ltd | 焦点検出補正可能なカメラの焦点検出装置 |
JPS60262004A (ja) * | 1984-06-11 | 1985-12-25 | Nippon Kogaku Kk <Nikon> | 焦点検出装置 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007271702A (ja) * | 2006-03-30 | 2007-10-18 | Canon Inc | レンズ装置 |
WO2009044776A1 (ja) * | 2007-10-02 | 2009-04-09 | Nikon Corporation | 受光装置、焦点検出装置および撮像装置 |
US8680451B2 (en) | 2007-10-02 | 2014-03-25 | Nikon Corporation | Light receiving device, focus detection device and imaging device |
US9560258B2 (en) | 2008-08-25 | 2017-01-31 | Canon Kabushiki Kaisha | Image sensing apparatus, image sensing system and focus detection method of detecting a focus position of a lens using image signal pair |
JP2011191779A (ja) * | 2011-05-16 | 2011-09-29 | Canon Inc | レンズ装置 |
JP2014186338A (ja) * | 2014-05-15 | 2014-10-02 | Canon Inc | 撮像装置、撮像システム、及び撮像装置の制御方法 |
JP2016194717A (ja) * | 2016-07-06 | 2016-11-17 | キヤノン株式会社 | 撮像装置、撮像システム、及び焦点検出方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0789174B2 (ja) | 1995-09-27 |
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