In an imaging device including a mechanical image blurring correction and a sensitivity image blurring reduction, a subject-shake amount is calculated based on a motion vector size acquired during a through image process display. Usage percentages of the mechanical image blurring correction and a sensitivity image blurring reduction are sequentially set based on the calculated subject-shake amount. When shooting a still-image, still-image data is recorded after blurring reduction is performed on the still-image data by the mechanical image blurring correction and a sensitivity image blurring reduction, based on the most recently set usage percentages.