The phot r 3 in 1 photo lens is a universal lens system which is designed for almost every smartphone on the market and includes a fish eye wide angle and a macro lenses to allow you to capture enhanced images and video it connects to your smartphone in just a few seconds and you can switch lenses simply unscrewing one and screwing on another the macro lens applies about 10x 15x magnification and lets you focus the smartphone within about 12mm 18mm of your subject to get to the macro