Alpen Alpen Wings 10x26 Binocular BAK4 Multicoated Dark Green Compact Roof. With a lightweight and ergonomic body design these Binoculars from the experts at Alpen tout multi-coated BAK4 optics and a close focus that allows you to easily observe your surroundings without any physical strain. Waterproof and fogproof the Alpen Wings 10x26mm Binocular can withstand almost any environment and is great for all of your observation needs. Adjustable eye relief makes the Alpen Wings 10x26 Lightweight Binocular ideal for all wearers and the twist up eyecups make the generously long eye relief ideal for those who wear prescription glasses. A prime blend of performance quality and usability the Alpen Wings 10x26 Roof Prism Binocular is a top of the line choice that won't let you down. Specifications for Alpen Wings 10x26mm Roof Prism Binocular: Manufacturer: Alpen Color: Dark Green Magnification: 10 x Objective Lens Diameter: 26 mm Prism System: Roof Prism Material: BAK4 Eye Relief: 14.1 mm Field of View Linear: 321 ft at 1000 yds Optical Coating: Multicoated Binoculars Focus System: Center Focus Close Focus: 13 ft Weather Resistance: Fog Resistant Water Resistant Mark: 1 m Water Resistance Level: Waterproof Weight: 20.8 oz Magnification Type: Fixed Features of Alpen Alpen Wings 10x26 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 10x26 Binocular Bag Lens cleaning tool Alpen 545: Alpen Wings 10x26 Binocular BAK4 Multicoated Dark Green Compact Roof