A camera module according to an embodiment includes an image sensor configured to output a plurality of image frames; a lens assembly disposed on the image sensor, the lens assembly forming an optical path of light incident on the image sensor from outside; a controller configured to generate a control signal to adjust at least one of the optical path of the lens assembly or the position of the image sensor relative to the lens assembly; and an image synthesizer configured to synthesize the plurality of image frames to generate a composite image, wherein the composite image has a higher resolution than the plurality of image frames, and wherein the plurality of image frames are respective image frames generated along respectively different optical paths changed by the lens assembly or respective image frames generated by change in the position of the image sensor relative to the lens assembly.