Features & details 【16X52 HD Magnification】Experience crisp, bright images with our 16x magnification and 52mm object lens diameter monocular. Perfect for outdoor activities like hiking, birdwatching, and concerts. 【High Contrast and Resolution】Equipped with BAK4 prism and fully multi-coated lens, our monocular delivers superior image quality. The larger objective lens ensures ample light for clear, black-bar-free images. 【Easy to Use & Great Gift】Convenient single-hand operation makes this monocular a breeze to use. Perfect gifts for men who have everything or want nothing. It also makes an ideal choice for various occasion such as Christmas, Father's Day, Valentine's Day, birthday gifts and New Year gifts. 【Premium Optics】Featuring BAK-4 prism and SMC (Super Multi-Coating) green lens, our HD monocular boasts 99.8% light transmittance for sharp, clear pictures—even in low-light conditions. 【Waterproof & Fogproof】Built to withstand tough weather conditions, our monocular is nitrogen-filled for waterproof and fogproof performance. Use it confidently in rain or humid environments without worry.