Carson JK Series Close Focus Waterproof Binoculars for Bird Watching, Hunting, Sight-Seeing, Surveillance, Travel, Safaris, Concerts, Sporting Events and Outdoor Adventures 10x Magnification | 42mm Objective Lens Diameter | Weight: 1.4 lbs. | Eye Relief: 16mm Fully Multi-Coated Lenses | BAK-4 Prisms | Field of View: 306 feet at 1,000 yards O-ring Sealed and Nitrogen-Purged Making Them Waterproof and Fogproof Eye cups rotate in 3 Positions Providing Optimal Eye Relief For All Users Included Accessories: Pouch, Neck Strap, Lens Covers and Lens Cloth Backed by the Carson No Fault, No Hassle Warranty