How to use iPad Camera Zoom in or out

Just prophecy.The iPad 2nd generation have built-in camera. With the iPad camera, you can focus on any element of a picture when you tap the camera app, and also zoom in or out.How to use iPad Camera Zoom in or out* Tap the Camera app on the Home Screen.* Tap anywhere on the photo.* At the bottom of the image, a slider bar with a minus on one end and a plus on the other appears. Now you are able