Transcription: Most modern cameras have the ability to focus automatically, but to get good results you need to know how to use the system. Auto-focus cameras focus on an area inside the brackets in the center of the viewfinder. When you are changing subjects quickly or when your subject is moving, use the continuous focus mode and the camera will continuously adjust the focus to keep the object in the center of the frame in focus. In situations where the subject is not in the center of the frame, use one shot mode. Place the focusing brackets over the point of focus and press the shutter button halfway down ...