JP2009145645A5 - - Google Patents

Download PDF

Info

Publication number
JP2009145645A5
JP2009145645A5 JP2007322958A JP2007322958A JP2009145645A5 JP 2009145645 A5 JP2009145645 A5 JP 2009145645A5 JP 2007322958 A JP2007322958 A JP 2007322958A JP 2007322958 A JP2007322958 A JP 2007322958A JP 2009145645 A5 JP2009145645 A5 JP 2009145645A5
Authority
JP
Japan
Prior art keywords
focus lens
focus
area
speed
driving speed
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.)
Pending
Application number
JP2007322958A
Other languages
Japanese (ja)
Other versions
JP2009145645A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2007322958A priority Critical patent/JP2009145645A/en
Priority claimed from JP2007322958A external-priority patent/JP2009145645A/en
Publication of JP2009145645A publication Critical patent/JP2009145645A/en
Publication of JP2009145645A5 publication Critical patent/JP2009145645A5/ja
Pending legal-status Critical Current

Links

Claims (5)

フォーカスレンズを含む撮像光学系の焦点状態を検出する焦点検出手段と、
該焦点検出手段による検出結果に基づいて前記フォーカスレンズの駆動を制御する制御手段とを有し、
前記制御手段は、前記フォーカスレンズの可動範囲のうち、前記撮像光学系の焦点状態の変化量に対する前記フォーカスレンズの移動量が互いに異なる第1の領域と第2の領域において、前記フォーカスレンズの駆動速度を異ならせることを特徴とする光学機器。
Focus detection means for detecting a focus state of an imaging optical system including a focus lens;
Control means for controlling the driving of the focus lens based on a detection result by the focus detection means,
The control means drives the focus lens in a first area and a second area where the movement amount of the focus lens is different from the amount of change in the focus state of the imaging optical system in the movable range of the focus lens. Optical equipment characterized by varying speed.
前記第1の領域に比べて、前記第2の領域での前記撮像光学系の焦点状態の変化量に対する前記フォーカスレンズの移動量が大きく、
前記制御手段は、前記第2の領域での前記フォーカスレンズの駆動速度を、前記第1の領域での駆動速度よりも速くすることを特徴とする請求項1に記載の光学機器。
Compared to the first region, the amount of movement of the focus lens relative to the amount of change in the focus state of the imaging optical system in the second region is large.
2. The optical apparatus according to claim 1 , wherein the control unit makes the driving speed of the focus lens in the second area faster than the driving speed in the first area.
前記フォーカスレンズの基準駆動速度を可変設定する速度設定手段を有し、
前記制御手段は、前記第1及び第2の領域での前記フォーカスレンズの駆動速度を前記基準駆動速度に対して変化させることを特徴とする請求項1に記載の光学機器。
A speed setting means for variably setting a reference driving speed of the focus lens;
The optical apparatus according to claim 1, wherein the control unit changes a driving speed of the focus lens in the first and second regions with respect to the reference driving speed.
前記制御手段は、前記焦点検出手段による検出結果に基づいて前記フォーカスレンズの合焦位置を算出し、
前記制御手段は、前記合焦位置を含む前記フォーカスレンズの可動範囲よりも狭い所定範囲で前記フォーカスレンズを駆動する場合に、前記第1の領域と前記第2の領域とで前記フォーカスレンズの駆動速度を異ならせることを特徴とする請求項1から3のいずれか1つに記載の光学機器。
The control means calculates a focus position of the focus lens based on a detection result by the focus detection means,
The control means drives the focus lens in the first area and the second area when driving the focus lens in a predetermined range narrower than a movable range of the focus lens including the in-focus position. The optical apparatus according to any one of claims 1 to 3, wherein the speed is varied.
前記撮像光学系を有する請求項1から4のいずれか1つに記載の光学機器と、
該光学機器に着脱可能に装着される撮像装置とを有することを特徴とする撮像システム。
The optical apparatus according to any one of claims 1 to 4, comprising the imaging optical system;
An imaging system comprising: an imaging device detachably attached to the optical device.
JP2007322958A 2007-12-14 2007-12-14 Optical device Pending JP2009145645A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007322958A JP2009145645A (en) 2007-12-14 2007-12-14 Optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007322958A JP2009145645A (en) 2007-12-14 2007-12-14 Optical device

Publications (2)

Publication Number Publication Date
JP2009145645A JP2009145645A (en) 2009-07-02
JP2009145645A5 true JP2009145645A5 (en) 2011-02-03

Family

ID=40916296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007322958A Pending JP2009145645A (en) 2007-12-14 2007-12-14 Optical device

Country Status (1)

Country Link
JP (1) JP2009145645A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5504716B2 (en) * 2009-07-08 2014-05-28 株式会社ニコン Imaging device
JP5379739B2 (en) 2010-04-30 2013-12-25 キヤノン株式会社 Lens device
RU2650435C2 (en) * 2011-11-11 2018-04-13 Никон Корпорейшн Focal point adjustment device, image capture device and lens barrel
JP6146118B2 (en) * 2013-05-10 2017-06-14 株式会社ニコン Lens barrel and camera system
JP6102489B2 (en) * 2013-05-10 2017-03-29 株式会社ニコン Imaging device
JP6146117B2 (en) * 2013-05-10 2017-06-14 株式会社ニコン Lens barrel and camera system
WO2014181881A1 (en) 2013-05-10 2014-11-13 株式会社ニコン Lens barrel, camera system, and imaging device
JP6167661B2 (en) * 2013-05-15 2017-07-26 株式会社ニコン Lens barrel and focus adjustment device
CN104423120B (en) * 2013-09-02 2017-06-06 信泰光学(深圳)有限公司 The Focusing mechanism of zoom lens and optical equipment
JP6087878B2 (en) * 2014-09-05 2017-03-01 キヤノン株式会社 Imaging apparatus, automatic focusing method and program
JP6724288B2 (en) 2014-11-07 2020-07-15 株式会社ニコン Interchangeable lens, camera body and camera
JP6565958B2 (en) * 2017-03-02 2019-08-28 株式会社ニコン interchangeable lens
JP6465151B2 (en) * 2017-05-18 2019-02-06 株式会社ニコン interchangeable lens
JP6583355B2 (en) * 2017-06-29 2019-10-02 株式会社ニコン Lens barrel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0786583B2 (en) * 1988-12-26 1995-09-20 キヤノン株式会社 Lens position control method and optical device
JPH0336511A (en) * 1989-07-03 1991-02-18 Canon Inc Power focus device
JP2728943B2 (en) * 1989-07-08 1998-03-18 キヤノン株式会社 Lens control device
JPH04145420A (en) * 1990-10-05 1992-05-19 Sharp Corp Focus lens driving device for manually focusing lens system
JPH04315116A (en) * 1991-04-15 1992-11-06 Canon Inc Video camera system
JP3165709B2 (en) * 1991-07-22 2001-05-14 キヤノン株式会社 Lens control device
JP3548184B2 (en) * 1992-07-06 2004-07-28 キヤノン株式会社 Focus adjustment device and camera
JP2007108393A (en) * 2005-10-13 2007-04-26 Canon Inc Lens controller and imaging apparatus

Similar Documents

Publication Publication Date Title
JP2009145645A5 (en)
JP2011232684A5 (en)
JP2013061618A5 (en)
JP2009033450A5 (en)
JP2013088766A5 (en)
JP2007074033A5 (en)
JP2012060595A5 (en)
JP2009151038A5 (en)
JP2008032963A5 (en)
JP2011186448A5 (en)
JP2006251449A5 (en)
JP2008281701A5 (en)
JP2008203515A5 (en)
JP2008039854A5 (en)
JP2015155988A5 (en)
JP2009069696A5 (en)
JP2011215383A5 (en)
JP2008009053A5 (en)
JP2015036692A5 (en) Automatic focus adjustment device, lens device, automatic focus adjustment method and program
JP2006259520A5 (en)
JP2008052191A5 (en)
JP2012255896A5 (en)
JP2007199261A5 (en)
JP2009153286A5 (en)
JP2009288610A5 (en)