Pulsar Edge GS Super 1+ 3.5x50 Night Vision Binoculars are a versatile, long-distance night vision device for long-range viewing. The unit"s specially designed five-lens eyepiece and CF-Super Image Intensifier Tube offer users the best edge-to-edge resolution and a clear, distortion-free, geometrically precise image across the entire field of view. The Pulsar Edge GS Super 1+ 3.5x50 Night Vision Binoculars feature a sealed metal and plastic body that allows it resistance to fog, rain and sand.