ED Lenses: Featuring ED (Extra-low Dispersion) lens technology, effectively reducing chromatic aberration and color distortion, providing clearer and sharper images with fine details even at high magnification. Objective and Eyepiece: The 56mm objective lens diameter ensures a large aperture for bright and clear images, while the 41mm eyepiece diameter offers a comfortable viewing experience, reducing eye strain. Durable Construction: Built with a 34mm tube diameter and A6061-T6 aluminum alloy material, offering high durability and impact resistance, making it suitable for harsh environments. Parallax and Adjustment: Features a parallax adjustment range from 10 yards to infinity, making it easy to focus on both near and distant targets, ensuring precise shots every time. Waterproof Performance: With an IPX7 waterproof rating, it performs reliably in wet conditions, including rain and snow, ensuring dependable performance in challenging weather. Comfortable Field of View: The 100mm eye relief provides ample space for comfortable viewing, reducing eye pressure, while the field of view ranges from 20.5 feet to 3.42 feet (3.92° to 0.65°), ensuring a wide visual range to quickly lock onto targets.