Bushnell H2O 10x42mm Porro 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 10x42mm Porro Prism WP/FP Binocular: Manufacturer: Bushnell Color: Dark Blue Magnification: 10 x Objective Lens Diameter: 42 mm Prism System: Porro Prism Material: BAK-4 Eye Relief: 16 mm Exit Pupil: 4.2 mm Field of View Linear: 114 m at 1000 m Optical Coating: Multi-Coated Binoculars Focus System: Center Focus Close Focus: 4.6 m Water Resistance Level: Waterproof Length: 5.6 in Weight: 27 oz Magnification Type: Fixed Fogproof: Yes 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 10x42mm Porro WP/FP Binocular Bushnell 134211R: H2O 10x42mm Porro WP/FP Binocular Twist Up Eyecups Box 6L Dark Blue