10X50 Marine Binoculars for Adults with Rangefinder Compass, Waterproof Marine Binoculars for Sailing Boating Fishing

With 10x magnification, 26mm eyepieces, and a 50mm large objective lens, precise focusing delivers large and clear images. The field of view is 396 feet at 1000 yards, featuring a ±5 left and right diopter ring. These marine binoculars with foldable eyecups offer an enhanced viewing experience, suitable for adults with or without glasses. Featuring a built-in illuminated compass for direction location, with an internal rangefinder to directly calculate the distance and size of the object on the left eyepiece. Includes batteries (LR936/AG9) to provide maximum image brightness even in low light conditions. Utilizes a high refractive BAK4 Prism that eliminates stray light and improves color reproduction to 99.99%. Applies FMC coating that reduces reflected light in the objective lens and enhances light transmission, image brightness, and sharpness. Designed with internal nitrogen filling and O-ring sealing, making it completely waterproof and able to float on water. Dry nitrogen-purged and sealed to prevent moisture damage in all weather conditions. The 10x50 marine binoculars are suitable for sailing, boating, fishing, water sports, hunting, bird watching, and outdoor activities. Equipped with a harness strap for comfortable viewing