Model #59220 - BX-1 Rogue 8x25mm binoculars in Black Advanced Optical System - The Advanced Optical System delivers tried and true light transmission for extended glassing sessions, best in class glare reduction in harsh light, and the resolution and clarity that recreational sportsmen and sportswomen demand. Inverted Porro Prism Design - The inverted Porro prism design makes the BX-1 Rogue Compact Series incredibly small and lightweight, without sacrificing any optical performance. Armor Coated - The durable housing is shrouded in an easy-grip rubber armor coating that provides a positive grasp in all conditions. 100% Waterproof and fogproof