10x22 Binocular Super Clear Telescope for Tourism Hunting Outdoor Camping low-light-level night vision SWBU@22210220W Prism system:BK7,Size: 110X85X40mm Black,weight:150g Field Of View (m):107m/1000m Objectives:fully-coated Lenses Center focus, with right eyepiece focusing adjustment eye relief:12mm , eye pupil:3mm