Powerful 50x60 Monocular Telescope Professional Long Range Prismatic Zoom HD BAK4 Portable Binoculars for Hunting

High-concerned chemical : None Field of View : 2000 Eyepiece diameter : 20mm Prism Description : BAK4 Water Resistance Level : IPX4 Objective Lens Diameter : 60mm Lens Coating Description : FMC Magnification : 12 Focus Type : CENTRAL Material : Plastic Type : Monocular Origin : Mainland China