Very little has changed between the iPhone 4/4S and iPhone 5 versions of the 3-in-One Photo Lens. You still get a set of three metal-housed lenses held together with screws and a central plastic frame, the latter designed to slip onto the iPhone’s edge and precisely center the lenses atop its rear-facing camera. Two plastic lens caps are included—one for the larger, permanently-attached fisheye lens, and one for the medium-sized wide-angle…