10X-30X adjustable magnification and large objective lens diameter, this zoom monocular will provide you with clear vision and comfortable eyecup. Long eye distance design works with or without glasses. The high contrast and resolution allows you to see the wonderful world with visual fidelity.Amazing Crystal Clear ViewWith advanced BAK4 prism and large fully multi-coated lens, this smartphone monocular will provide you with unlimited field of view. The 40mm ultra-wide objective lens allows more light in for brighter images even in low-light environments. Easy to Use and Compact DesignSlightly adjust the eyecup and focus wheel until you see a clear and bright image, you can quickly see the scenery with our handheld monocular. Perfect gift and gadget for bird watching, hunting, hiking, camping, traveling, sightseeing lovers. A must for ball games, concerts, wildlife watching. Conveniently designed, this small monocular is only 153mm, making it easy to store in your pocket or bag. Durable Waterproof and Fogproof Camping MonocularWith a rubber armored body, this zoom monocular is durable and shockproof, perfect for hunting, bird watching and other outdoor sports. The mirror surface is filled with high-purity nitrogen, waterproof and anti-fog. You can use it in any humid environment. Don't worry about the rain.