The Fujinon Mariner 7 x 50 WPC-XL binoculars are designed for marine leisure activities. These binoculars are rugged, waterproof, and lightweight, making them extremely portable and highly efficient. They offer professional-grade optical performance that makes them suitable not only for aquatic applications, but also anywhere else. These binoculars offer you a magnification of 7x with an object lens diameter of 50 mm. You get an eye relief of 18 mm, which enbles you to use these binoculars even while wearing sunglasses or spectacles. These Fujinon Mariner WPC-XL binoculars weigh only around 910 g, which adds to the portability factor.