Celestron Outland 8x25mm Roof Prism WP Binoculars Black/Green. 5-Degree Angle of View (#71165):Celestron 8x25mm WP Outland-71165 features a sleek modern design with rubber covering for a secure and comfortable grip. Celestron 8x 25 WP Outland Binoculars' high performance optics feature BAK-4 prisms and multi-coating to ensure high contrast and resolution. Celestron Outland Binocular - 71165 is well suited for any sport or nature activity. All Outland models are waterproof and fogproof. Specifications for Celestron Outland 8x25mm Roof Prism WP Binoculars: Manufacturer: Celestron Color: Black/Green Magnification: 8 x Objective Lens Diameter: 25 mm Prism System: Roof Eye Relief: 12 mm Exit Pupil: 3.1 mm Field of View Linear: 341 ft at 1000 yds Binoculars Focus System: Center Focus Twilight Factor: 14.1 Close Focus: 24 ft Weight: 0.88 lb Package Type: Box Magnification Type: Fixed Brightness Index: 9.8 Case: Yes