Annie Leibovitz seems to love the camera in the iPhone 4S as is, but if you'd ever hoped the snapshot darling were a bit more flexible, then Photojojo's new Lens Dial may be the solution. Available as a case that's compatible with the iPhone 4 and 4S, users are able to rotate between three different lenses -- including fisheye, telephoto and wide-angle -- to achieve their desired effect. Naturally, the enclosure will add quite a bit of thickness and heft to your handset (it weighs ten ounces, or twice that of the iPhone), but it als
