As the saying goes, the best camera is the one that’s with you, and we know you’ve got that covered by having an iPhone 4/4s with you already, but how about ‘the best camera lens is the one that’s with you’? Well, this new iPhone Lens Dial system should do the trick. It boasts three optical-quality coated glass lenses: Wide Angle, Fisheye, and Telephoto. All wrapped up in a slim aircraft-grade aluminum jacket equipped with two tripod mounts (for portrait or landscape shots). To switch between lenses just rotate the disc! Best part: the lenses never leave your phone, so they’re always at the ready. Use the 0.7x Wide Angle…