Bushnell H2O 10x25mm Roof WP/FP Binocular Twist Up Eyecups Box 6L Dark Blue. Even in the most challenging conditions our ever-popular H2O binoculars stay on board and in your hands with a Soft Texture Grip. O-ring sealed and nitrogen purged stunning views are assured no matter how wet they get. And to maximize light transmission and clarity multicoated optics and premium quality BaK-4 prism glass are included. From the streamside to the Gulf Stream the world looks better through the Bushnell H2O. Specifications for Bushnell H2O 10x25mm Roof Prism WP/FP Binocular: Manufacturer: Bushnell Color: Dark Blue Magnification: 10 x Objective Lens Diameter: 25 mm Prism System: Roof Prism Material: BAK-4 Eye Relief: 10 mm Exit Pupil: 2.5 mm Field of View Linear: 320 ft at 1000 yds Optical Coating: Multi-Coated Binoculars Focus System: Center Focus Close Focus: 17 ft Water Resistance Level: Waterproof Length: 4.1 in Weight: 10.7 oz Magnification Type: Fixed Features BaK-4 prisms for bright clear crisp viewing Multi-coated optics for superior light transmission 100percent waterproof: O-ring sealed and nitrogen purged for reliable fog-free performance Non-slip rubber armor absorbs shock while providing a firm grip Twist-up eyecups Large center-focus knob for easy adjustments Longer eye relief Package Contents: Bushnell H2O 10x25mm Roof WP/FP Binocular Bushnell 130105R: H2O 10x25mm Roof WP/FP Binocular Twist Up Eyecups Box 6L Dark Blue