Provided is an automatic focusing method used by a digital image processing apparatus including a zoom lens moving in a moving range of a first guide bar and a focus lens moving in a moving range of a second guide bar disposed on an extension of the first guide bar. The method includes performing focusing while moving the zoom lens in a range from a zooming limit position in the first guide bar to a set zoom limit position, if a current photographing mode is a close-range photographing mode and a current position of the zoom lens is the zooming limit position.