Powerful Zoom HD Bak4 50x60 Portable Powerful Binoculars Long Range Professional Telescope Monocular for Hunting

High-concerned chemical : None Field of View : / Eyepiece diameter : 15mm Prism Description : BAK4 Water Resistance Level : IPX6 Objective Lens Diameter : 40mm Lens Coating Description : FMC Magnification : 10x Focus Type : CENTRAL Material : Metal Model Number : 50X60 Type : Monocular Origin : Mainland China