Control device, imaging device, and lens device

Abstract

The present invention provides a control device, etc., that can suitably set the timing for initiating the detection of motion of a subject. [Solution] A control device (101, 102) used in a camera system, comprising a correction means that performs image blur correction by driving an image blur correction member, and a control means (107, 124) that controls a first detection means for detecting the movement of a subject in the camera system, wherein the control means sets a first interval based on information about the correction means, and the first interval is the interval between a first time point in the camera system after the end of exposure and a second time point in which the first detection means performs detection of the movement of the subject.

Claims

1. A control device used in a camera system, The system includes a correction means that performs image blur correction by driving an image blur correction member, and a control means that controls a first detection means that detects the movement of a subject in the camera system. The control means sets a first interval based on information regarding the correction means, The control device is characterized in that the first interval is the interval between a first time point in the camera system after the end of exposure and a second time point in which the first detection means performs detection of the subject's movement.

2. The control means is It is possible to communicate with a second detection means that detects the vibration of the control device, The control device according to claim 1, characterized in that it controls the correction means according to the difference between the reference angular velocity based on the result of detecting the movement of the subject and the angular velocity of the blur.

3. The control device according to claim 1, characterized in that the information relating to the correction means is the frequency characteristics of the image blur correction member.

4. The control device according to claim 1, characterized in that the information relating to the correction means is the amount of drive or a predicted value of the amount of drive in driving the image blur correction member to the reference position after the end of exposure.

5. The control device according to claim 1, characterized in that the information relating to the correction means includes at least one of the following: information on the focal length of the imaging optical system, information on the vibration isolation sensitivity of the correction means, and information on the drivable range of the image blur correction member.

6. The control device according to any one of claims 1 to 5, characterized in that the control means causes the correction means to drive the image blur correction member to a reference position at a first time point.

7. The control device according to claim 6, characterized in that the reference position is the position of the optical axis center in the optical system of the camera system.

8. The control device according to any one of claims 1 to 5, characterized in that the first interval is the time from when the image blur correction member is driven to its reference position until the behavior of the image blur correction member settles down.

9. The control device according to any one of claims 1 to 5, characterized in that the first detection means detects a motion vector indicating the direction and speed of movement of the subject.

10. An imaging apparatus comprising a control device according to any one of claims 1 to 5, It comprises an image sensor and the correction means, The imaging device is characterized in that the image blur correction member is the image sensor.

11. A lens device comprising the control device according to any one of claims 1 to 5, It comprises an optical system and the correction means, The lens device is characterized in that the image blur correction member is an image blur correction lens in the optical system.

12. A camera system including an imaging device and a lens device that can be attached to or detached from the imaging device, The imaging device has detection means for detecting the movement of a subject in the camera system, The lens device has a correction means that performs image blur correction by driving an image blur correction member. At least one of the imaging device and the lens device has control means for controlling the correction means and the detection means, The control means sets a first interval based on information regarding the correction means, The camera system is characterized in that the first interval is the interval between a first time point in the camera system after the end of exposure and a second time point in which the detection means performs detection of the subject's movement.

13. A control method for controlling a camera system, The camera system includes a correction means that performs image blur correction by driving an image blur correction member, and a detection means that detects the movement of a subject within the image capture screen of the camera system. The camera system includes the step of performing a first time point after the end of exposure, in which the correction means drives the image blur correction member to a reference position, A control method characterized by having the step of setting an interval between the first time point and the second time point in which the detection means performs detection of the movement of the subject, based on information relating to the correction means.

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