<br>The 10X50 Ultimate Marine Binoculars upgrades marine-standard 10x magnification and 50 mm objectives with fully multi-coated and high definition optics for astounding clarity. <br><b>SPECIFICATION</b> <br>Magnification：10X <br>Objective Lens Diameter: 50mm <br>Exit Pupil: 6.8mm <br>Eye Relief: 22mm <br>Field of View: 132m at 1000m / 396ft at 1000yds <br>Lens Coatings: Fully Multi-Coated <br>Prism: Porro/BaK-4 <br>Focuser Type: Individual eye focus <br>Waterproof: Yes (Nitrogen-filled ) <br>Fogproof: Yes <br>Floating: Yes <br>Compass: HD-stabilized <br>High-Performance-Optics: High-Contrast <br>Waterproof: Water pressure proof up to 5 m <br>STEINER Nitrogen- Pressure-System: By 2-way-valve technology <br>Eyecups: Soft <br>Rubber Armouring: NBR-Longlife <br>Size: 20*17*8cm (7.9*6.7*3.1in) <br>Weight: 1098g (2.4lb) <br><b>Product Accessories</b> <br>Binoculars <br>Packing box <br>Carrying case <br>X-type strap <br>Neck strap <br>Objective lens cover <br>Eyepiece cover <br>Tripod adapter <br>Lens cleaning cloth <br>Instruction manual