Binoculars, 10x50 Large-Diameter Wide-Angle Binocular NightGoggles, Broadband Blue Mirror Optical Telescope, for Bird Watching and Outdoor Concerts - GagalU, 23WYJ8041730

• Optical Glass Porch Large Eyepiece: Eyepiece With Fmc Multilayer Broadband Blue Film, Optical Glass Lens 17mm Diameter, More Comfortable To Watch, No Dizziness. Double-Sided Wide-Band Coating Of Objective Lens: The Objective Lens Adopts Fmc Broadband Blue Film (Light Blue + Light Purple), Which Is Very Clear Even When It Is Watched In The Low Light At Night. Metal Lanyard Interface: Outsourced High Quality Rubber Sheath, The Inner Metal Frame Is Stronger And The Metal Lanyard Interface Is Durable And Durable. Central Anti-Skid Focusing Hand Wheel: The Focusing Hand Wheel Adopts Anti-Slip Stripe Design, The Focusing Is Not Easy To Slip, Faster And More Accurate. Anti-Fog And Waterproof: Durable, High-Quality Workmanship Is Also Suitable For Harsher Environmental Conditions.