1. A photographing apparatus comprising: a photographing unit that captures a plurality of images by continuously photographing an object; an input unit that receives a selection of a reference image from the plurality of captured images and a modification section in the reference image; a display unit that displays the reference image; a controller that, when the modification section is selected in the reference image and an image for replacing the modification section is determined, generates a mask image based on the modification section and generates a final image by synthesizing the reference image and the image for replacing the modification section using the mask image; and a storage unit that stores a data file comprising information of the mask image, the plurality of captured images, and the final image, wherein the storage unit stores the plurality of captured images, the final image, and the data file in separate folders, and when a modification request of the final image is received, the controller reads the data file from the storage unit to re-synthesize the reference image and the image for replacing the modification section.