Monocular Telescope - 12X50 High Power 

12X50mm High Power Monocular Telescope with Steady Tripod and Phone Shutter Remote Waterproof Fogproof BAK-4 Prism FMC Lens One Hand Focus Compact Monocular Monocular Telescope for bird-watching, safari, hiking, fishing, travel, sporting events, concerts 12x Magnification and 50 mm objective lens Dual focus capability for distant focus and micro focus Water Resistant Design & Anti-Fog Lens High precision polishing optics Fully multi-coated lens for high contrast views BAK-4 prism for better light transmission and sharp images Adjustable eyecup can be twisted up and down for users with or without glasses Objective Lens Diameter: 50 mm Exit Pupil: 1.5 mm Eye Relief: 4.5 mm Prism Type: BAK-4 Field of View: 131 meter/1000 meter Angle of View: 7 degrees Dimension: 6.03*2.12*2.75*inch Box C