Alpen Magnaview 8x25mm Roof Prism Binocular BK7 Multicoated. This Alpen waterproof Binoculars carrying case is a spotting scope accessory designed especially for our large 80mm Alpen spotting scopes models # 786 #788 # 850 and # 854. Specifications for Alpen Magnaview 8x25mm Roof Prism Binocular: Manufacturer: Alpen Color: Green Magnification: 8 x Objective Lens Diameter: 25 mm Prism System: Roof Prism Material: BK-7 Eye Relief: 15.5 mm Exit Pupil: 3.1 mm Field of View Linear: 330 ft at 1000 yds Optical Coating: Fully Coated 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 8x25 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 8x25 Binocular Bag Alpen Waterproof Nylon Padded Case for Spotting Scopes 786 788 850 and 854