An image photographing apparatus comprising: a camera comprising a first lens having a first focal distance, the camera being configured to capture a first image by using the first lens; a combiner configured to physically combine the image photographing apparatus with an other independent image photographing apparatus comprising a second lens having a second focal distance longer than the first focal distance; a controller configured to, in response to a photographing command, control the camera and the other image photographing apparatus to respectively perform photographing; an image processor configured to generate a captured image by using the first image captured by the camera and a second image captured by the other image photographing apparatus; and a display configured to display the captured image, wherein the display comprises a touch screen, wherein the controller is configured to control the image processor to overlap the second image with a local area of the first image and generate the captured image comprising a border line for distinguishing the second and first images from each other, wherein the controller is configured to, in response to a user touch command on the border line to adjust a magnification of the captured image being input through the touch screen, adjust a photographing magnification of the camera; wherein the image processor is further configured to, if the user touch command comprises enlarging the size of the local area: detect a first image part having a reduced size from the first image captured by using the camera; display the first image part on the whole screen of the display; enlarge the second image captured by using the second lens of the other image photographing apparatus by the enlarged size of the local area; and, display the enlarged second image in the local area positioned in a center of the whole screen. a camera comprising a first lens having a first focal distance, the camera being configured to capture a first image by using the first lens; a combiner configured to physically combine the image photographing apparatus with an other independent image photographing apparatus comprising a second lens having a second focal distance longer than the first focal distance; a controller configured to, in response to a photographing command, control the camera and the other image photographing apparatus to respectively perform photographing; an image processor configured to generate a captured image by using the first image captured by the camera and a second image captured by the other image photographing apparatus; and a display configured to display the captured image, wherein the display comprises a touch screen, wherein the controller is configured to control the image processor to overlap the second image with a local area of the first image and generate the captured image comprising a border line for distinguishing the second and first images from each other, wherein the controller is configured to, in response to a user touch command on the border line to adjust a magnification of the captured image being input through the touch screen, adjust a photographing magnification of the camera; wherein the image processor is further configured to, if the user touch command comprises enlarging the size of the local area: detect a first image part having a reduced size from the first image captured by using the camera; display the first image part on the whole screen of the display; enlarge the second image captured by using the second lens of the other image photographing apparatus by the enlarged size of the local area; and, display the enlarged second image in the local area positioned in a center of the whole screen. detect a first image part having a reduced size from the first image captured by using the camera; display the first image part on the whole screen of the display; enlarge the second image captured by using the second lens of the other image photographing apparatus by the enlarged size of the local area; and, display the enlarged second image in the local area positioned in a center of the whole screen.