Built with high-quality materials and advanced lens technology, this monocular boasts a central focus type, a 22mm eyepiece diameter, and a 42mm objective lens diameter. The BAK4 prism and FMC lens coating provide a crystal-clear field of view up to 10000, making it an ideal choice for outdoor enthusiasts and professionals seeking unparalleled performance. With a water resistance level of IPX4, this monocular is durable and reliable, making it a must-have for any expedition.