- Premium Optics: Featuring BAK4 prism and lens technology, this monocular achieves an impressive light transmission of up to 99.5%. Enjoy brighter, clearer, and more vibrant views with reduced chromatic aberration and ghosting. - Waterproof and Durable: Designed to withstand the elements, this HD monocular is waterproof, fog-proof, dust-proof, and shock-resistant. With a built-in dust cover and O-ring sealed optics, it protects the lens from dust, moisture, and dirt. Ideal for various weather conditions (Note: not suitable for prolonged use in heavy rain or submersion). - Professional Performance: Equipped with 10x high-power magnification and a 42mm objective lens, this monocular is perfect for birdwatching, concerts, sports events, hiking, driving, wildlife observation, and scenic views. It provides high resolution, excellent light transmission, and minimal distortion for bright and sharp images without color discrepancies. - User-Friendly Design: Quickly and easily observe landscapes with our monocular telescope. Adjust the eyecup and focus wheel for a clear image. The included smartphone holder and retractable, sturdy tripod allow you to capture HD photos or videos effortlessly. - Practical Uses: Whether you're exploring nature, attending outdoor events, or enjoying a day of hiking, this monocular enhances your experience by providing crystal-clear views. Its compact design makes it easy to carry, ensuring you never miss a moment.