3573 Custom Function SettingsKC.Fn IV: Operation/OthersC.Fn-10 Shutter/AE lock button0: AF/AE lock1: AE lock/AFThis is convenient when you want to focus and meter separately.Press the <A> button to autofocus, and press the shutter buttonhalfway to apply AE lock.2: AF/AF lock, no AE lockDuring AI Servo AF (or Servo AF for Live View shooting), you canpress the <A> button to pause the AF operation momentarily.This prevents the AF from being thrown off by any obstaclepassing between the camera and subject. The exposure is set atthe moment the picture is taken.3: AE/AF, no AE lockThis is useful for subjects that keep moving and stoppingrepeatedly. During AI Servo AF (or Servo AF for Live Viewshooting), you can press the <A> button to start or stop the AIServo AF operation. The exposure is set at the moment the pictureis taken. Thus, you can set your camera, so that the optimumfocusing and exposure can be achieved and wait for the decisivemoment.During Live View shootingWhen touch shutter is set and with setting 1 or 3, AF will not take effectfor shooting.During movie shootingWith setting 1 or 3, press the <A> button for One-Shot AF.With setting 2, press the shutter button halfway for One-Shot AF.
