Features: Mini focus distance: 3M Material: aluminum shell + optical glass elements Magnification: 12X Angle of view: 12° Objective lens diameter: 21mm Product dimension: 33 x 94mm Color: black & silver Usage: Put the case on your i9300 Screw the lens onto the case until the lens is securely tightened onto the case Once you don't need the lens, just unscrew the lens from the case Package included: 1 x 12X Telephoto Lens 1 x Case 1x Mini Tripod 1 x Pouch 1 x Cleaning Cloth 1 x English User Manual