Crony 20X50 Binoculars HD Powerful campingy Binocular high Magnification Telescope Night Vision Travel

• Waterproof, anti-fog, moisture-proof, dust-proof and mildewproof, ensuring that the product can be used normally under harsh environment, such as wet and raining or accidentally falling into the water; high temperature resistance can be applied at minus 50 degrees.
• 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.
• 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%.
• 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.
• Classical optical polishing technology to ensure high optical optical surface requirements

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