1. A manual focusing method in a photographing device, comprising the steps of: checking whether manual focusing mode for manually focusing is selected; capturing a window which is a predetermined sized partial image taken from a photographed image, and outputting the captured image if the manual focusing mode is selected; adjusting a size of the entire photographed image, and outputting the photographed image of which the size is adjusted if the manual focusing mode is not selected; and displaying one of the output captured image and the photographed image of which the size is adjusted; wherein in the displaying step, the photographed image of which the size is adjusted is not displayed and the output captured image is displayed during the duration of manual focusing mode, if the manual focusing mode is selected.