Best for extra zoom, it zoom-in and out a scroll. Now there is no need to carry physical zoom devices with you. Using optical and digital zoom, it can give you high-quality zoom results, this application can also be used as a telescope, binoculars, monocular, zoom camera, GoPro, or magnifier. This application uses the built-in camera zoom of your smartphone, so the effect depends on your built-in camera resolution and the frame rate of the smartphone processor. It can turn your smartphone into a