1. An apparatus for processing an image, comprising: a camera capturing an image according to first photographing information; a buffer storing a plurality of frame images; an image processor processing the image captured by the camera during a preview mode and obtaining second photographing information when processing the image captured by the camera; and a control unit outputting the first photographing information during the preview mode, storing the first photographing information and the second photographing information with the corresponding frame image in the buffer, and outputting a predetermined frame image and the corresponding first and second photographing information to the image processor during a capture mode, wherein the second photographing information is generated from a frame section of the corresponding frame image that is different from a frame section of the corresponding frame image that the first photographing information is generated from, wherein the buffer is a ring buffer having a plurality of frame buffers for storing the plurality of frame images and each of the plurality of frame buffers stores a specific frame image and the corresponding first and second photographing information, and wherein the control unit controls to integrate the first and second photographing information for a specific frame image and stores the integrated photographing information in the corresponding frame buffer and controls to output the integrated photographing information and the corresponding frame image for a predetermined frame buffer to the image processor during the capture mode.