High power focus monocular. With 10x magnification and 42mm objective lens, you can see 10x closer with a clearer and brighter image, enjoy the beauty of the distance, and you will gain a amazing viewing experience. Large eyepiece and fully multi-coated objective lens. 18mm large eyepiece with BaK4 Prism, big field of view let you feel more comfortable when watching thing. The fully fmc multi-coated 42mm large objective lens make image more stable and bright. High Color reduction let you feel the real wold. Wide field of view and HD Dual focus. The HD monocular has broad view field, 419ft/1000yds(128m/1000M), and it will provide the farther scenery in your eyes. The HD Dual focus in the zoom monocular, watching animals or other thing much more clear, and you can adjust the two focus knob slightly according to your sight. Adjustable eye cup fit more people. This focus monocular is design for more people, especially perfect for glasses wearers. It can let eye-glass wearers near to the eyepiece without disturbing the viewing experience, feel more comfortable. With or without glasses wearers can twist up and down the adjustable eye cups for the best visual effect. Tips: people who do not wear glasses need to twist up the adjustable eye cups, that will gain clearer image. Waterproof, compact and single-hand use. The waterproof monocular is cover by durable and environmental rubber, prevent internal water and fog. And the monocular telescope only weigh 281G, 154mm high, the handheld monocular is compact and easy to use by one-hand, convenient to carry for everywhere.