Straightforward configuration in a compact frame. The 8x magnification enables easier extended viewing on unstable platforms like open water. Non-slip rubber armor - Protects binoculars from impact and provides sure grip in damp marine environments. Features: BaK-4 prisms for bright, clear, crisp viewing Multi-coated optics for superior light transmission 100% 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