16X52 HD MAGNIFICATION 16x magnification and 52mm object lens diameter monocular, provides a clearly, bright image and different fields of view, Perfect for Hiking, Climbing, Bird watching, Ball games, Concerts, traveling, Watching Wildlife and Scenery. HIGH CONTRAST AND RESOLUTION IMAGES The Monocular telescope equipped with the BAK4 prism and fully muti-coated lens, The larger the objective lens, the more light that enters to the monocular, and the brighter the image. Clear image without black bars,it makes Super Clear Images. EASY TO USE & Christmas gifts This compact monocular is convenient to use by single hand,You can see scenery easily and rapidly by using our monocular telescope, adjust the eye cup and focus wheel until see clear and bright image. Suitable Christmas gift for outdoor enthusiasts! Premium SMC & BAK-4 Prism The HD monocular telescope equipped with BAK-4 optics prism and SMC (Super Multi-Coating) green lens, which could make monocular's light transmittance up to 99.8% and provide clear and sharpe pictures. And it has low-light-level night vision. WATERPROOF & FOG PROOF Compact and sturdy body make it withstand the heavy weather, the mirror is full of the high-purity nitrogen, waterproof and antifogging. You can use it in raining day and humid environment, and no need to worry about this item.