For additional info on camera settings, refer to the Camera and Video section of the user guide.
Tap either of the following to turn on or off :
Tap the Zoom icon then move the slider left or right to zoom in or out.
The Scene Optimizer automatically adjusts your shots for the current scenery.
From the top of the screen, swipe left or right to select an option.
Tap the Camera Facing icon to switch between rear and front-facing camera.