
10X40 Waterproof Monocular Telescope Outdoor Portable Bird Watching Target Bak4 Zoom Spotting Spotting Scope. Waterproof and Fogproof Design: Nitrogen purged and O-ring sealed to ensure performance in wet conditions. Premium BaK4 Prism: Dielectric and phase-correction coating for enhanced contrast and image detail. Extra-Low Dispersion Glass: Optional ED glass ensures outstanding color fidelity and high contrast. Broadband Fully-Multi Coating: Delivers extra-bright image with vivid and detailed quality. Lightweight Magnesium Chassis: Ruggedly built for durability while maintaining a light weight. Customization Services Available: OEM/ODM services offered with customizable packaging and series options. 1-Year Warranty Coverage: Comprehensive warranty protection for the product. Versatile Outdoor Usage: Ideal for bird watching, hunting, travel, and low-light conditions.