In iA (Intelligent Auto) Mode, advanced detection functions work automatically and simultaneously to optimize your settings, making it easier than ever to take beautiful photos every time. iA Mode includes MEGA O.I.S. to detect hand-shake, Intelligent ISO Control to detect subject movement, Face Detection AF/AE to detect faces in the frame, AF Tracking to continually track a moving subject and keep it in focus, Intelligent Scene Selector to detect scene conditions and Intelligent Exposure to detect the brightness level.