Easy FocusMagnification: 10X, hold the telescope lens barrel, see the circular field of view, adjust the handwheel until you see a clear landscape. Perfect for hiking, hunting, climbing, bird watching, ball games, concerts, travel, landscape observation. The ergonomic design helps you focus on the target quickly and accurately with one hand. BAK-4 prismMulti-layer enhanced green film, high transmittance, bright and clear imaging, 12x50mm objective diameter monocular, providing bright and clear images and different fields of view. High resolution image & Latest MaterialsThe monocular is equipped with high definition prism and full multi-coated lens, the larger the objective, the more light enters the monocular, and the brighter the image. Clear image without black bars, the image is super clear and sharp. But the latest sturdy and durable rubber shell and rubber handle, no smell, great feeling of use. Waterproof & Anti-fog: The compact and sturdy body makes it able to withstand bad weather, the mirror surface is filled with high purity nitrogen, waterproof and anti-fog. You can use it in rainy and humid environment without worrying about it. [Convenient Setup] Equipped with a quick-align cell phone holder, you can use your cell phone to record the beautiful moments you see. The outer protective bag can hold the monocular and its accessories, and can be hung on the shoulder strap or belt, making it easy to carry and protect the monocular.