48Depending on the scene, position the subject toward the left or right tocreate a balanced background and good perspective.In the <1> (Full Auto) mode, while you press the shutter buttonhalfway to focus a still subject, the focus will be locked. You can thenrecompose the shot and press the shutter button completely to take thepicture. This is called focus lock. Focus lock is also possible in otherBasic Zone modes (except <5>).In the <1> (Full Auto) mode, if the subject moves (distance to camerachanges) during or after you focus, AI Servo AF will take effect to focusthe subject continuously. As long as you keep aiming the AF point onthe subject while pressing the shutter button halfway, the focusing willbe continuous. When you want to take the picture, press the shutterbutton completely.1 Full Auto TechniquesRecomposing the ShotShooting a Moving Subject