Alpen Magnaview 10x25 Binocular BK7 Multicoated Dark Green Compact Roof. This Binocular from the professionals at Alpen is fully multi-coated with BK7 glass for clear bright and crisp images. The Alpen 10x25mm Magnaview Binocular features a waterproof O-ring that will keep it dry for any less than perfect weather condition making the Alpen Magnaview Waterproof Binocular a great choice for most situations. This Alpen Binocular is also fully Armored for additional durability that will keep your binoculars working perfectly after years of heavy duty use. For a great way to make sure you are always aware of your surroundings choose the Alpen Magnaview Durable 10x25 Waterproof Binocular. Specifications for Alpen Magnaview 10x25mm Roof Prism Binocular: Manufacturer: Alpen Color: Dark Green Magnification: 10 x Objective Lens Diameter: 25 mm Prism System: Roof Prism Material: BK-7 Eye Relief: 15.5 mm Exit Pupil: 2.5 mm Field of View Linear: 303 ft at 1000 yds Optical Coating: Multicoated Binoculars Focus System: Center Focus Close Focus: 26.2 ft Water Resistant Mark: 1 m Water Resistance Level: Waterproof Weight: 9.6 oz Magnification Type: Fixed Features of Alpen Magnaview 10x25 Binocular Waterproof BK7 glass for clear bright and crisp images Fully Multi-Coated Rubber armoring for protection and durability Foldable eye cups Package Contents: Alpen Magnaview 10x25 Binocular Bag Alpen 834: Magnaview 10x25 Binocular BK7 Multicoated Dark Green Compact Roof