1.High contrast and resolution Images: The monocular telescope adopt the latest optics technology. The HD monocular telescope is equipped with BAK-4 prism and fully multi-coated lens, guaranteeing superior light transmission and brightness and the light transmittance reaches up to 99.5%, providing you a amazing viewing experience. Ergonomic design helps you focus on your target quickly and accurately with one hand. And the rubber armor with stripes makes it comfortable for use, non-slip grip. 2.HD Dual Focus Scope: The HD monocular has a magnification of 10X and a 52mm large objective lens, allowing you to look farther and see wider. Coated with Broadband coating and premium BAK4 prism, it ensures imaging verisimilar. 3.Widely Compatible with Smartphone: Want to share what you see with friends and families? The smartphone holder is suitable for almost all the smartphones on the market. It is easy to install and share, a good choice for your next trip. 4.Perfect Accessories: The portable monocular is easy to hold by one hand. You can also connect your phone with the tripod and smartphone adapter. It's very convenient when you watch something for a long time.