Lens iPhone Dial, three lenses that rotate on the iPhone

The camera of the iPhone 4 and 4S are of very good quality to be a mobile phone, but has a major limitation: its lens. Something that solves this odd accessory that despite being very cumbersome solves this problem. The Lens iPhone Dial system is an aluminum housing that once placed in the iPhone offers the possibility of a better pictures and videos. The three lenses are available to both a wide angle, like a fisheye and telephoto optical zoom of 1.5 x magnification. As usual the bad of this invention in its price, $ 249.