An imaging apparatus includes an image sensor; an image obtainer that obtains a plurality of images from the image sensor; a posture detector that obtains posture information of the imaging apparatus; a posture information accumulating buffer that accumulates the posture information obtained by the posture detector; and a power saving mode setter that activates and deactivates a power saving mode in which power consumption is suppressed, wherein the power saving mode setter determines to activate and deactivate the power saving mode based on the accumulated posture information in the posture information accumulating buffer.