JP2012095116A5 - - Google Patents

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JP2012095116A5
JP2012095116A5 JP2010240920A JP2010240920A JP2012095116A5 JP 2012095116 A5 JP2012095116 A5 JP 2012095116A5 JP 2010240920 A JP2010240920 A JP 2010240920A JP 2010240920 A JP2010240920 A JP 2010240920A JP 2012095116 A5 JP2012095116 A5 JP 2012095116A5
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Prior art keywords
exposure control
shooting
luminance value
sensitivity
moving image
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JP2010240920A
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JP2012095116A (en
JP5618765B2 (en
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上記目的を達成するために、本発明にかかる撮像装置は、動画撮影が可能な撮像装置であって、被写体の輝度値を取得する輝度値取得手段と、絞り値、電荷蓄積時間、撮影感度の少なくとも1つを制御して露出制御を行う露出制御手段と、を有し、前記露出制御手段は、動画撮影を開始する前に前記輝度値取得手段により取得された輝度値、予め決められた所定の電荷蓄積時間及び予め決められた所定の撮影感度に基づいて動画撮影開始時の絞り値を設定し、動画撮影中に輝度値が変化した場合、絞り値よりも電荷蓄積時間及び撮影感度を優先的に変更させて前記露出制御を行うことを特徴とする。 In order to achieve the above object, an imaging apparatus according to the present invention is an imaging apparatus capable of shooting a moving image, and includes a luminance value acquisition unit that acquires a luminance value of a subject, an aperture value, a charge accumulation time, and a shooting sensitivity. Exposure control means for controlling exposure by controlling at least one of the exposure control means, the exposure control means, the brightness value acquired by the brightness value acquisition means before starting moving image shooting, a predetermined predetermined value If the aperture value at the start of movie shooting is set based on the predetermined charge accumulation time and the predetermined shooting sensitivity, and the brightness value changes during movie shooting, the charge accumulation time and shooting sensitivity have priority over the aperture value. to be changed and performs the exposure control.

Claims (7)

動画撮影が可能な撮像装置であって、
被写体の輝度値を取得する輝度値取得手段と、
絞り値、電荷蓄積時間、撮影感度の少なくとも1つを制御して露出制御を行う露出制御手段と、を有し、
前記露出制御手段は、動画撮影を開始する前に前記輝度値取得手段により取得された輝度値、予め決められた所定の電荷蓄積時間及び予め決められた所定の撮影感度に基づいて動画撮影開始時の絞り値を設定し、動画撮影中に輝度値が変化した場合、絞り値よりも電荷蓄積時間及び撮影感度を優先的に変更させて前記露出制御を行うことを特徴とする撮像装置。
An imaging device capable of video recording,
Luminance value acquisition means for acquiring the luminance value of the subject;
Exposure control means for controlling exposure by controlling at least one of an aperture value, charge accumulation time, and imaging sensitivity,
The exposure control unit is configured to start moving image shooting based on the luminance value acquired by the luminance value acquisition unit, a predetermined charge accumulation time determined in advance, and a predetermined predetermined shooting sensitivity before starting moving image shooting. set the aperture value, if the luminance value during moving image shooting is changed, the image pickup apparatus characterized by preferentially allowed to change the charge storage time and the shooting sensitivity than the aperture performs the exposure control.
前記予め決められた所定の撮影感度は、動画撮影中に変更可能な範囲の中間値であって、
前記露出制御手段は、動画撮影開始時の撮影感度を前記予め決められた所定の撮影感度に設定し、動画撮影中に前記輝度値取得手段により取得された輝度値が変化した場合、電荷蓄積時間よりも撮影感度を優先的に変更させて前記露出制御を行うことを特徴とする請求項1に記載の撮像装置。
The predetermined shooting sensitivity determined in advance is an intermediate value in a range that can be changed during movie shooting,
The exposure control unit sets the shooting sensitivity at the start of moving image shooting to the predetermined predetermined shooting sensitivity, and when the luminance value acquired by the luminance value acquisition unit changes during moving image shooting, the charge accumulation time The image pickup apparatus according to claim 1, wherein the exposure control is performed by changing the photographing sensitivity preferentially.
前記露出制御手段は、動画撮影中に前記輝度値取得手段により取得された輝度値が変化した場合、撮影感度を前記変更可能な範囲の限界値まで変更させてから電荷蓄積時間を変更させて前記露出制御を行うことを特徴とする請求項2に記載の撮像装置。 It said exposure control means, if the luminance value acquired by the luminance value acquisition means during dynamic image photographing is changed, by changing the charge accumulation time since by changing the imaging sensitivity to the limit value of the changeable range the imaging apparatus according to claim 2, characterized that you perform the exposure control Te. 前記露出制御手段は、電荷蓄積時間を動画撮影中に変更可能な範囲の限界値まで変更させてから絞り値を変更させて前記露出制御を行うことを特徴とすることを特徴とする請求項3に記載の撮像装置。4. The exposure control unit according to claim 3, wherein the exposure control unit performs the exposure control by changing the aperture value after changing the charge accumulation time to a limit value that can be changed during moving image shooting. The imaging device described in 1. 前記予め決められた所定の電荷蓄積時間は1/125秒であることを特徴とする請求項1ないし4のいずれか1項に記載の撮像装置。5. The imaging apparatus according to claim 1, wherein the predetermined charge accumulation time is 1/125 seconds. 6. 前記撮像装置は、交換レンズが装着可能であって、
装着された交換レンズの種類を判別する判別手段を有し、
動画撮影中に輝度値が変化した場合、前記判別手段により第1の交換レンズが装着されていると判別されたときは、絞り値よりも電荷蓄積時間及び撮影感度を優先的に変更させる前記露出制御を行わず、前記第1の交換レンズよりも絞りの最小制御単位が大きい第2の交換レンズが装着されていると判別されたときは、絞り値よりも電荷蓄積時間及び撮影感度を優先的に変更させる前記露出制御を行うことを特徴とする請求項1ないしのいずれか1項に記載の撮像装置。
The imaging device can be mounted with an interchangeable lens,
Having a discriminating means for discriminating the type of the mounted interchangeable lens;
When the brightness value during moving image shooting is changed, when the first interchangeable lens is judged as being mounted by said determining means, said exposure changing the charge accumulation time and the photographic sensitivity than the aperture value preferentially When it is determined that the second interchangeable lens having a minimum aperture control unit larger than that of the first interchangeable lens is mounted without performing control, the charge accumulation time and photographing sensitivity are prioritized over the aperture value. the imaging apparatus according to any one of claims 1 to 5, characterized in that said exposure control to change.
動画撮影が可能な撮像装置の制御方法であって、
被写体の輝度値を取得する輝度値取得ステップと、
絞り値、電荷蓄積時間、撮影感度の少なくとも1つを制御して露出制御を行う露出制御ステップと、を有し、
前記露出制御ステップは、動画撮影を開始する前に前記輝度値取得ステップで取得された輝度値、予め決められた所定の電荷蓄積時間及び予め決められた所定の撮影感度に基づいて動画撮影開始時の絞り値を設定し、動画撮影中に輝度値が変化した場合、絞り値よりも電荷蓄積時間及び撮影感度を優先的に変更させて前記露出制御を行うことを特徴とする撮像装置の制御方法。
A method of controlling an imaging apparatus capable of shooting a movie,
A luminance value acquisition step for acquiring the luminance value of the subject;
An exposure control step for performing exposure control by controlling at least one of an aperture value, charge accumulation time, and imaging sensitivity, and
The exposure control step is performed when starting moving image shooting based on the luminance value acquired in the luminance value acquiring step, a predetermined charge accumulation time determined in advance, and a predetermined predetermined shooting sensitivity before starting moving image shooting. set the aperture value, if the luminance value during moving image shooting is changed, a control method of an imaging device and performs the exposure control preferentially to change the charge storage time and the shooting sensitivity than aperture .
JP2010240920A 2010-10-27 2010-10-27 Imaging apparatus and control method thereof Active JP5618765B2 (en)

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JP2012095116A JP2012095116A (en) 2012-05-17
JP2012095116A5 true JP2012095116A5 (en) 2013-12-05
JP5618765B2 JP5618765B2 (en) 2014-11-05

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JP6137792B2 (en) * 2012-07-10 2017-05-31 キヤノン株式会社 IMAGING DEVICE, CONTROL METHOD FOR IMAGING DEVICE, PROGRAM, AND STORAGE MEDIUM
JP6214206B2 (en) * 2013-05-13 2017-10-18 キヤノン株式会社 Imaging apparatus, control method, and program
JP6288990B2 (en) * 2013-08-23 2018-03-07 キヤノン株式会社 Imaging apparatus, control method and program thereof
JP6736407B2 (en) 2016-07-28 2020-08-05 キヤノン株式会社 Imaging device, control method thereof, and program

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JP4173457B2 (en) * 2004-03-12 2008-10-29 富士フイルム株式会社 Imaging apparatus and control method thereof
JP2008053843A (en) * 2006-08-22 2008-03-06 Olympus Imaging Corp Digital camera capable of recording motion picture
JP5303878B2 (en) * 2007-08-02 2013-10-02 株式会社ニコン Camera, interchangeable lens barrel
CN101819369B (en) * 2009-02-27 2014-03-26 松下电器产业株式会社 Camera body and imaging apparatus

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