Features Waterproof Fully Multi-Coated Rubber Covered Tripod Carry Case Video Specs Item Number 745N Magnification 20 - 60X Field of View 107/52/1000yds Waterproof Yes Fogproof Yes Lens Coatings Fully Multi-Coated Eye Relief 14/12mm Exit Pupil 3/1mm Focuser Type Top Objective Lens Diameter 60mm Close Focus 20ft Prism Porro Length 13.75" Warranty USA Limited Lifetime Warranty when product is registered within 60 days of purchase. Click Here to register. CA Residents: Prop 65 WARNING(S)