Alpen Alpen Wings 8x34 Binocular BAK4 Multicoated Dark Green Compact Roof. The Wings 8x34mm Binocular by Alpen contains fully multi-coated BaK4 prisms and optics for a bright high-contrast image. Alpen Wings Waterproof Binoculars deliver rugged handling for rough outdoor use and the lightweight and ergonomic body design makes them easy to bring along. These binoculars are completely waterproof fogproof and are nitrogen purged so they won't be ruined if you accidentally drop them in a puddle or something similar. Alpen Wings 8x34mm Sporting Binoculars are comfortable and versatile with an open bridge design and twist up eyecups so they work great for both right and left handed users. Specifications for Alpen Wings 8x34mm Roof Prism Binocular: Manufacturer: Alpen Color: Dark Green Magnification: 8 x Objective Lens Diameter: 34 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 17.4 mm Field of View Linear: 406 ft at 1000 yds Optical Coating: Multicoated Binoculars Focus System: Center Focus Close Focus: 8 ft Weather Resistance: Fog Resistant Water Resistance Level: Waterproof Weight: 36.8 oz Magnification Type: Fixed Features of Alpen Alpen Wings 8x34 Binocular Waterproof BAK4 Optics Long Eye Relief Fully Multi-Coated Lightweight and ergonomic open hinge body design Twist up eye cups Package Contents: Alpen Alpen Wings 8x34 Binocular Bag Lens cleaning tool Alpen 543: Alpen Wings 8x34 Binocular BAK4 Multicoated Dark Green Compact Roof