Auto focusing method and apparatus, and digital photographing apparatus using thereof

PURPOSE: An automatic control method and an apparatus thereof and a digital photographing apparatus using the same for accurately controlling focus are provided to improve automatic focus speed after reducing an automatic region which the digital photographing apparatus calculates. CONSTITUTION: A first automatic focus frame is displayed on a screen in which an input image is displayed. The shape of the subject, located within the first automatic focusing frame, is recognized(304). A second automatic focusing frame is generated and displayed according to the recognized shape(306). A second automatic focus is performed about the image of the second automatic focus(310).