Our monocular with full 12x50 magnification and a lens diameter of 45mm provides a clear and bright image and enjoys the beauty of distance. Equipped with BAK-4 Green Film Prism FMC. The zoom telescope guarantees 99.7% light transmission and brightness; built-in low-light-level ion helps you catch the charming night view even in low light. Outer durable rubber with grips makes it comfortable to use and avoids slipping out of your hands; the monocular telescope is IPX5 waterproof and fogproof that can keep the lens clear all the time.