1. An image pickup apparatus, comprising: an image capturing unit which captures an image; a controller which controls the image capturing unit to generate a wide-angle image; a composition calculator which calculates an optimum composition of image pickup using the generated wide-angle image; and a user interface which provides composition guide information to capture the image according to the calculated optimum composition of image pickup and provides position guide information, based on a detected position of the image pickup apparatus and a detected direction of capturing an image of the image pickup apparatus, the position guide information indicating an optimum image pickup position from among a plurality of pre-stored optimum image pickup positions, wherein the image capturing unit captures a plurality of images having overlapping image pickup areas in a plurality of directions, and the image pickup apparatus further comprises an image processing unit which generates the wide-angle image using the plurality of captured images.