Specifications 1.Color: Black 2.Magnification: 12X 3.Field of view: 70 Degree 4.Objective Lens diameter: 20mm 5.Lens size: 30x75mm 6.Compatibility: Universal phones Usage instructions 1.Connect the lens with the clip. 2.Make sure the clip connect center is consistent with phone's camera center. 3.Turn on the phone camera, to see whether it shows full screen view, if not, to make sure lens center and camera center are in one line and then you can get clear photos. 4.If the camera of the phone cannot take a clear image, you may maually fine-tune the focuss by adjusting the focal ring which is located in the portion of the lens. For long distance focuss, turn the ring clockwise until the image is sharp and clear. For close focuss, turn the ring anti-clockwise until the image is sharp and clear. Package included 1 x Telescope Lens(Not include mobile phone) 1 x Cleaning cloth 1 x User manual