10-300X HD Zoom Powerful Binoculars Long Range Professional Monocular Telescope High Quality BAK4-Prisms Portable for Camping

High-concerned chemical : None Field of View : 300 Eyepiece diameter : 26mm Prism Description : BAK4 Water Resistance Level : IPX4 Objective Lens Diameter : 32mm Lens Coating Description : FMC Magnification : 300 Focus Type : CENTRAL Material : Metal Type : Monocular Origin : Mainland China