【Professional binoculars】 High-performance binoculars with 10x magnifying glass, 24mm eyepiece and 50mm super objective. Offers perfect attractions at 1200 meters. Professional binoculars with clear and bright visual effects, perfect for long-distance indoor and outdoor activities such as bird watching, traveling, hunting and stargazing.【High quality BAK4 binoculars】 The BAK4 Porro prism with a high refractive index eliminates stray light and improves color rendering to 99.99%. The green FMC anti-reflective coating reduces the reflected light from the objective lens and improves light transmission, image brightness and image sharpness. 10x50 binoculars provide a clear field of vision in poor light (but not in complete darkness).【Binoculars with single focus】 Equipped with a practical central focus button and an adjustable right eyepiece that can be easily adjusted to different viewing distances. The large central focus knob can focus easily and move quickly, which makes it ideal for adults and some children. It is equipped with an adjustable rotating eyecup. Whether you wear glasses or not, you can use them comfortably.【Durable Waterproof Binoculars】 The powerful binoculars are equipped with non-slip armor on the surface to ensure a comfortable grip, metal mirror body, environmental protection and shockproof rubber armor. It has excellent impact resistance and drop resistance. The fully sealed metal valve body prevents the ingress of water, dust and dirt.