8x magnification roof prism binocular. Four-element objective lens for ultra sharp focus across the field of view. Fully Multi-Coated optics for extremely sharp, clear views. Excellent near focus for maximum detail and clarity at close range. Rugged full size design for maximum image brightness. Nitrogen purged for waterproof and fog proof performance. Multi position twist-up eyecups for quick adjustment and optimum eye relief. Protective rubber covering for ultra-firm grip. Diopter adjustment for precise focusing. Carrying case included for travel and safe storage. No Fault Warranty provides best protection and product support on the market.