Neewer 8x Optical Zoom Telescope Camera Lens for Apple iPhone 4 4S with Back Case Cover and Mini Tripod Overcome the short coming of cell phone camera that can only near-sighted, it also makes distant view for you at the moment. Advantage: The new design to run of rays can effectively avoid the contortion of image, and makes the super wide angle, the larger luminous flux, the higher visual acuteness, good for color reduction, which makes the high quality of photography. The use of long focal lens helps to expand your horizons and can using cell phone view or shooting a distant object of scene as if it were located very close to the eye High quality of photography, you can watch sports events and concerts in close up through your phone's camera It can take a picture while fixing the telescope on back shell. (If the screen of your cell phone is analyzed degree enough, you can adjust the focus with the screen of the cell phone).