JP2008052191A5 - - Google Patents
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- JP2008052191A5 JP2008052191A5 JP2006230530A JP2006230530A JP2008052191A5 JP 2008052191 A5 JP2008052191 A5 JP 2008052191A5 JP 2006230530 A JP2006230530 A JP 2006230530A JP 2006230530 A JP2006230530 A JP 2006230530A JP 2008052191 A5 JP2008052191 A5 JP 2008052191A5
- Authority
- JP
- Japan
- Prior art keywords
- focus adjustment
- lens
- focus
- drive amount
- initial drive
- 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.)
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Claims (6)
前記レンズ駆動手段により前記レンズを駆動しながら合焦位置を探し、前記レンズの焦点調節を行う第１の焦点調節手段と、
前記第１の焦点調節手段とは異なる焦点調節方式で前記レンズ駆動手段により前記レンズを駆動して焦点調節を行う第２の焦点調節手段と、
前記第２の焦点調節手段による焦点調節が完了した時点の前記レンズの位置から、前記レンズ駆動手段により初期駆動量だけ前記レンズを駆動した後、前記第１の焦点調節により焦点調節を行う制御手段と、
前記レンズ駆動手段の駆動特性に応じて前記初期駆動量を決定する初期駆動量決定手段とを備えることを特徴とする焦点調節装置。 Lens driving means for driving the focusing lens;
A first focus adjusting unit that searches for a focus position while driving the lens by the lens driving unit and adjusts the focus of the lens;
Second focus adjusting means for adjusting the focus by driving the lens by the lens driving means in a focus adjustment method different from that of the first focus adjusting means;
Control means for performing focus adjustment by the first focus adjustment after driving the lens by an initial drive amount by the lens driving means from the position of the lens when the focus adjustment by the second focus adjustment means is completed. When,
An initial drive amount determining unit that determines the initial drive amount according to a drive characteristic of the lens driving unit.
前記初期駆動量決定手段は、前記レンズ駆動手段の種類に応じて前記初期駆動量を決定することを特徴とする焦点調節装置。 The focus adjustment apparatus according to claim 1,
The focus adjustment apparatus, wherein the initial drive amount determination unit determines the initial drive amount according to a type of the lens drive unit.
前記初期駆動量決定手段は、前記レンズ駆動手段のガタ量に応じて前記初期駆動量を決定することを特徴とする焦点調節装置。 The focus adjustment apparatus according to claim 1,
The focus adjustment apparatus, wherein the initial drive amount determination means determines the initial drive amount according to a backlash amount of the lens drive means.
前記初期駆動量決定手段は、前記レンズ駆動手段のガタが大きい場合は、該ガタが小さい場合に比べて前記初期駆動量を大きくすることを特徴とする焦点調節装置。 The focus adjustment apparatus according to claim 3 .
The initial drive amount determining means increases the initial drive amount when the play of the lens drive means is large compared to when the play is small .
前記第１の焦点調節手段はコントラスト検出方式の焦点調節手段であり、前記第２の焦点調節手段は位相差検出方式の焦点調節手段であることを特徴とする焦点調節装置。 In the focus adjustment apparatus according to any one of claims 1 to 4,
The focus adjustment apparatus, wherein the first focus adjustment means is a contrast detection type focus adjustment means, and the second focus adjustment means is a phase difference detection type focus adjustment means .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006230530A JP4821506B2 (en) | 2006-08-28 | 2006-08-28 | Focus adjustment device and camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006230530A JP4821506B2 (en) | 2006-08-28 | 2006-08-28 | Focus adjustment device and camera |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008052191A JP2008052191A (en) | 2008-03-06 |
| JP2008052191A5 true JP2008052191A5 (en) | 2010-03-04 |
| JP4821506B2 JP4821506B2 (en) | 2011-11-24 |
Family
ID=39236273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006230530A Expired - Fee Related JP4821506B2 (en) | 2006-08-28 | 2006-08-28 | Focus adjustment device and camera |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4821506B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5207797B2 (en) * | 2008-03-28 | 2013-06-12 | キヤノン株式会社 | Imaging apparatus and control method thereof |
| JP2011149970A (en) * | 2008-05-16 | 2011-08-04 | Panasonic Corp | Imaging apparatus system and camera body, interchangeable lens |
| JP5330161B2 (en) * | 2009-08-31 | 2013-10-30 | 富士フイルム株式会社 | Image blur correction apparatus and imaging apparatus |
| RU2650435C2 (en) * | 2011-11-11 | 2018-04-13 | Никон Корпорейшн | Focal point adjustment device, image capture device and lens barrel |
| WO2014181881A1 (en) | 2013-05-10 | 2014-11-13 | 株式会社ニコン | Lens barrel, camera system, and imaging device |
| JP6724288B2 (en) | 2014-11-07 | 2020-07-15 | 株式会社ニコン | Interchangeable lens, camera body and camera |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03265378A (en) * | 1990-03-15 | 1991-11-26 | Sony Corp | Automatic focus device |
| JP2001350084A (en) * | 2000-06-07 | 2001-12-21 | Olympus Optical Co Ltd | Automatic focus adjusting device |
| JP2005092085A (en) * | 2003-09-19 | 2005-04-07 | Canon Inc | Focus detecting method and focusing method, and focus detecting device and focusing device |
-
2006
- 2006-08-28 JP JP2006230530A patent/JP4821506B2/en not_active Expired - Fee Related
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