1. A mobile terminal, comprising: a display unit configured for displaying an image; a first camera configured for capturing a first image; a second camera configured for capturing a second image; and a controller configured for: receiving input of a photograph command for at least a two-dimensional (2D) photograph mode or a three-dimensional (3D) photograph mode; controlling the first camera to photograph the first image based on a first photographing condition; controlling the second camera to photograph the second image based on a second photographing condition; generating a third image based on the first image and the second image; and controlling the display unit to display the generated third image.