JP2016173517A5 - - Google Patents

Claims (12)

An image blur correction apparatus that controls blur correction means to correct image blur of a captured image,
An acquisition unit for acquiring a control amount of the blur correction unit during image blur correction;
Of the acquired control amounts, the first control amount used to hold the blur correction unit at the center position is temperature-corrected with a first correction coefficient, and the blur correction unit is used for the image blur correction. An image blur correction apparatus comprising: control means for correcting a temperature of a second control amount for movement by a second correction coefficient. The control means includes
Based on the second control amount control amount as being the temperature correction of the shake correction unit in the image blur correction, calculates the first control amount, said first controlled variable the calculated The image blur correction apparatus according to claim 1, wherein the temperature correction is performed using the first correction coefficient. The image blur correction apparatus according to claim 1, further comprising a determination unit that detects a gravitational direction and determines an attitude of the apparatus based on the temperature-corrected first control amount. The determination means includes
Combining the temperature-corrected first control amount for each of the first direction and the second direction for controlling the blur correction means, and calculating a third control amount,
If the control amount of the third is greater than a threshold, detecting the direction of gravity, when the control amount of the third is not greater than the threshold value, to claim 3, characterized in that not detect the direction of gravity The image blur correction apparatus described. The determination means includes
Wherein when the third control amount is greater than the threshold value, by correcting the first control amount the temperature corrected by the third control amount, according to claim 4, characterized in that detecting the direction of gravity The image blur correction device according to 1. The image blur correction apparatus according to claim 1, wherein the first correction coefficient is calculated in advance based on a temperature characteristic related to an actuator constituting the blur correction unit. The image blur correction apparatus according to claim 6, wherein the first correction coefficient is calculated in advance based on at least a temperature characteristic related to a coil or a magnet constituting the blur correction unit. The second correction coefficient is calculated in advance based on a temperature characteristic related to an actuator of the shake correction unit and a temperature characteristic related to a member that supports a movable part of the shake correction unit on a fixed part. The image blur correction device according to claim 1. The image blur correction apparatus according to claim 8, wherein the member that supports the movable part of the blur correction unit on the fixed part includes at least one of a spring, a gel, and grease.   An optical apparatus comprising the image blur correction device according to claim 1.   An imaging apparatus comprising the image blur correction apparatus according to claim 1. A control method of an image blur correction apparatus for controlling image blur correction means to correct image blur of a captured image,
An acquisition step of acquiring a control amount of the blur correction means during image blur correction;
Of the acquired control amounts, the first control amount used to hold the blur correction unit at the center position is temperature-corrected with a first correction coefficient, and the blur correction unit is used for the image blur correction. And a control step of correcting the temperature of the second control amount for movement with a second correction coefficient.