Features Lifetime Warranty with registration* K9 Porro Optics Long Eye Relief Multi-Coated Cleaning Pen Included Description ALPEN&';s high-performance Shasta Ridge binoculars are fully water resistant, multi-coated, have long eye relief, and feature K9 optics that allow hunters, birders, boaters, and outdoor enthusiasts clearer, brighter viewing under all conditions. Shasta Ridge binoculars meet the extreme all-weather needs of today&';s active adventurers. When your goal is top performance and great value, the ALPEN Shasta Ridge is your best choice. Specs Item Number 318 Magnification 10x Field of View (@1000YD/M) 318ft / 106m Water Resistant Yes Lens Coatings Multi-Coated Eye Relief 15.0mm Focuser Type Center Objective Lens Diameter 36mm Close Focus 9.5ft Prism Porro; K9 Eyecup Type Twist Up Weight 23.2 oz Manual To download printable PDF manual Click Here Warranty *USA Limited Lifetime Warranty when product is registered within 60 days of purchase. Click Here to register. CA Residents: Prop 65 WARNING(S)