: Magnification : 50x Prism Type : BAK-4 of view : 1500M/9500M Coating : FMC green coated lens Weight : 271g : Our Monocular Telescope feature high quality BAK4 prisms and full multi-layer coated lenses. - BAK-4 prims represents the higher refractive index rate, brighter edges of the field of view, as well as circular shape of the exit pupil, which more light will be transmitted to the entire field of view. - Compared to single- coated monocular, FMC ones (several coatings on all lens surfaces) aims to improve image clarity and brightness, helping you see target more clearly and brightly. Works well in low light and night. Day night vision will help you see things in low light, it doesn't help you see things in the dark. Product Has Dual Focus bility ( For Use In Any Circumstances). The eye can be twisted up to deeply focus the view for yourself, and then adjust the focus adjustment and zoom adjustment until the view become clear. The width of phone adapter is 57-80mm, it suit almost phones in the market. Adjust the size distance of the phone adapter and put the phone in. the phone connect with monocular, the picture is a circle view and around is black, please zoom the picture and you'll get a full size picture. Package Included : 1 x Monocular Telescope 1 x Phone Clip 1 x Flexible Metal Tripod 1 x Cleaning Rag 1 x Cloth Bag 1 x Anti-Drop Hand Strap 1 x User