An image processing apparatus, including a setting unit configured to set a focal plane of a still image, which is generated from moving image data including a plurality of frames, each of which is refocusable; a reconstruction unit configured to reconstruct a predetermined number of the frames of the moving image data in accordance with the focal plane of the still image, which is set by the setting unit, to thereby generate the predetermined number of refocused images; and a combining unit configured to combine the predetermined number of the refocused images, which are generated by the reconstruction unit, to thereby generate the still image.