1. A mobile terminal comprising: a camera; a touch screen display; and a controller configured to: control the touch screen display to display an image that is received via the camera for preview, the image including at least one object to be focused on; recognize at least one touch input on at least one specific point of the displayed image via the touch screen display; control the touch screen display to display at least a first guide having a predetermined size at or substantially near the at least one specific point of the image displayed in response to the at least one touch input, a size of the displayed at least a first guide being adjusted according to a size of the at least one object; determine at least one focusing area for focusing on the at least one object corresponding to the at least one specific point; perform focusing on the at least one object based on the determined at least one focusing area; and control the camera to capture the received image with the focused at least one object.