16x52 Monocular Super Clear Telescope for Tourism Hunting Outdoor Camping low-light-level night vision SWBU@22216250G Prism system:BK4,Size: 55 x 145mm Black,weight:250g Field Of View (m):66m/8000m Objectives:fully-coated Lenses Double focusing adjustment eye relief:11mm , eye pupil:2.13mm,Package includes: 1 x telescope + 1 x gifts