7x50 Center Focus Binoculars

The center focus mechanism allows for quick, easy adjustment to different focal ranges, making them perfect for boating or any other outdoor activity. Specifications: Magnification: 7x Objective lens: 50mm Exit pupil: 7.1mm Eye Relief: 27.4 Prism type: BAK-4 Porro Prism Weight: 34 ozs. Field of view: 350 ft. at 1,000 yards Light efficiency: 80% Waterproof/Fogproof Includes: Deluxe neck strap Objective & ocular lens covers Padded nylon carrying case 5 year guarantee