SAXON new Nitrogen-filled water proof Binoculars fully multi-coated BAK4 Prism. It is an ideal binocular for bird watching and all sports enthusiasts, because it provides excellent optical performance and maximise image brightness with wide angle focus free and it is good for all fast movement observation! Features: The Saxon 7X50 WPFF Binoculars are a focus-free design with multi-coated optics to give you the best in colour correction and contrast Great for low light situations, these binoculars have high optical quality BAK4 prisms which deliver crisp, sharp images The Saxon 7X50 WPFF Binoculars are nitrogen-filled for fog proof and waterproof operation Rubber armoured body which resists dings and scrapes and provides secure grip in all situations By Saxon Warranty: 3 Years Limited Warranty Magnification: 7x Objective Lens Diameter: 50mm Eye Relief: 23mm Exit Pupil: 7.1mm Field of View: 126m /1000m Close Focus: 10m Prism Type: Porro Prism Glass: BaK4 Lens Coating: MultiCoated Focus System: Focus Free