Professional Powerful Monocular: Large Field of View,with 50mm objective lens diameter, it has high magnification 12X, 80 Feet field of view at 1000 yards, provides wide field of view.HD: Fully Coated BAK-4 Prisms: Bak-4 prisms provides high-resolution images with extremely accurate color reproduction, ensuring superior light 99.5% transmission and brightness. Multi-coated lens provide an even higher light transmittance across the entire visible light spectrum.Compact Binoculars: The two-way focusing wheel can quickly adjust the center and surrounding parts of the picture to the overall high-definition state to avoid partial blurring of the picture. The right eyeglasses have a diopter adjustment ring. When there is a difference in vision between the two eyes, you can rotate the right eyepiece adjustment ring to let the eyes see a consistent view. The one-piece eye mask makes it easy to apply to both normal vision and myopia.High Quality: Made of high quality rubber; the surface is designed with a fine matte texture, which is effective against slip and sweat. It will take you to into a clear and bright world in which you can appreciate fantastic landscape.IP68 Waterproof and Fogproof: It prevents moisture, dust, and debris from getting inside the monocular. High level IP68 is designed to inhibit internal fogging, widely practical for any weather and any environment.