Baigish 10×50 Binoculars Military Telescope Bak4 Binocular Zoom Professional Football High Quality Powerful Genuine Dm-4 Camping & Travelling

Description  Baigish 10×50 Binoculars Military Telescope Bak4 Binocular Zoom Professional Football High-Quality Powerful Genuine Dm-4 Camping & Travelling The military standard BAK4 prism has clear and sharp imaging. Even at low light, the target point can be clearly seen at night, and the image is bright and transparent. Modern engineering and technical materials, special structural design, with high strength, strong shock resistance, to ensure that the product can be used normally under extreme conditions. Classical optical polishing technology to ensure high optical surface requirements. Waterproof anti-fog moisture-proof dust-proof and mildewproof ensuring that the product can be used normally under harsh environments, such as wet and raining or accidentally falling into the water; high-temperature resistance can be applied at minus 50 degrees. The ultra-high transmittance of the eyepiece objective lens, double-sided broadband coating, the average light transmittance in the spectral range of 400 nm to 680 nm exceeds 99.5%.