Brunton Echo 8x45 Porro Prism Waterproof Binoculars Twist Up Eye Cups with Long Eye Relief For Easier Use Waterproof/Fog proof with Full Multi-Coated and Nitrogen Filled Lenses for all Weather Viewing Includes BaK-4 Prism Glass, Aluminum Frame with Ergonomic Body Armor, Lens Covers, Neck Strap and Case Tripod/Monopod Compatible Limited Lifetime Warranty