These high-performance binoculars feature special-low dispersion (ED) glass lenses for exceptionally sharp, high-resolution images without chromatic aberration, making them ideal for any situation. The fully waterproof design ensures worry-free outdoor use, even in sudden rain showers or near water. The center-focus system and large focus ring ensure quick and accurate focusing. [SIII1050ED] SIII1050ED. Multilayer coatings on all lens surfaces in contact with the air ensure high transmittance. The roof prisms are coated with a phase correction coating, and the auxiliary prisms are coated with a dielectric multilayer coating, providing high resolution and a bright field of view. The center-focus system and large focus ring ensure quick and accurate focusing. The long eye relief design ensures a wide field of view, even when wearing glasses. The twist-up rubber eyecups provide a comfortable fit. Its fully waterproof design means it can be used safely outdoors in sudden rain or near water. Dry nitrogen filling the body prevents fogging of the internal lens. The body is made of sturdy, highly durable aluminum die-cast. The rubber exterior ensures a firm grip. It also makes it easier to handle in cold climates. ■ Specifications ■ Magnification: 10x Effective diameter of objective lens: 50mm Prism: BaK4 roof prism, phase difference correction coating, dielectric multilayer coating: full multi-coating Actual field of view: 6° Field of view at 1000m: 105m Exit pupil: 5mm Brightness: 25 Minimum focusing distance: 3m Weight: 890g Size (mm): 146 x 60 x 149 Waterproofing: Fully waterproof □ Manufacturer's warranty period: 1 year