Features Lifetime Warranty with registration* Waterproof Fully Multi-Coated Rubber Armor Carry Case Video Specs Item Number 798 Magnification 25-75X Waterproof Yes Field of View (@1000YD/M) 78.3ft @ 25x to 42.2ft @ 75x, 26m @ 25x to 14m @ 75x) Lens Coatings Fully-Multi-Ctd Eye Relief 18-15mm Exit Pupil 1.3-4mm Focuser Type Top Objective Lens Diameter 100mm Close Focus 8m/26.2ft Prism Porro Warranty *USA Limited Lifetime Warranty when product is registered within 60 days of purchase. Click Here to register. CA Residents: Prop 65 WARNING(S)