These 10x binoculars are big on performance but won't slow you down. Brings the minute details into focus without additional weight and bulk. Hunters have trusted Burris optics for over 50 years and the new Signature HD binoculars continue the tradition of reliability, affordability and performance. Step up your game with legendary Burris optics. Performance and reliability you can trust.Specifications and Features: Magnification Factor: 10x Objective Size: 42.0 mm Exit Pupil: 4.2 mm Eye Relief: 15.5mm Close Focus: 8.2' Angular Field of View: 6.0deg Linear Field of View: 105m at 1000m Coating : Fully Multi-Coated Prism Type: Roof Tripod Adapted: Yes optional tripod adapter: Weather Protection Nitrogen filled: Waterproof/Fogproof