Transcription: Most cameras have three different focusing systems to choose from, manual, continuous focus and one shot. One shot auto focus mode allows you to lock the focus on a specific subject, then recompose and shoot. One shot is useful for creating compositions that do not have the point of focus in the center of the frame. Continuous focus mode is always focusing on the object inside the focusing area in the camera's viewfinder. It's ideal for constantly moving subjects like running athletes, moving cars and active groups of children. In these situations, keep the intended subject in the center of th ...