Features Lifetime Warranty with registration* HD - High definition ED - Extra low dispersion optical system PXA phase coating for superior resolution and color fidelity HR metallic prism coating for enhanced light transmission and brightness Waterproof Fog-proof BAK4 Prisms Lightweight Fully Multi-Coated Cleaning Pen Included Description Apex XP binoculars deliver vibrant images rich in detail even in low light conditions through a combination of high-resolution ED (extra-low dispersion) glass that enhances luminosity and contrast, superior BaK4 prisms, unique PXA phase coating and HR metallic coatings. Each rugged Apex XP binocular is waterproof for all-weather performance and purged with nitrogen gas to create an internal environment that is impervious to fogging. Specs Item Number 653 Magnification 10x Waterproof Yes, 1m/30mins Field of View 340FT / 113M Lens Coatings Fully Multi-Coated Eye Relief 15.2mm Focuser Type Center Objective Lens Diameter 42mm Close Focus 8.2m Prism Roof/BaK-4 Eyecup Type Twist-Up Weight 2.3LB / 1042G Manual To download printable PDF manual Click Here Warranty *USA Limited Lifetime Warranty when product is registered within 60 days of purchase. Click Here to register. CA Residents: Prop 65 WARNING(S)