Portable Binoculars High Power 10-30x42 Monocular Telescope, High Power HD Zoom Monocular Telescope Compact with BAK4 Prism Lens ED Glass for Adults Bird Watching

10-30X42 High Power Magnification: As the strongest monoculars, it offers up to 10-30x magnification in a 42mm lens. This magnification gives you a clear view at up to 1000yds away which can provide you amazing viewing when travelling, bird watching High Contrast and Resolution Images: long-lasting precision design featuring all glass high end optics, (BAK4 Prism & Multi-layer Film), this high power monocular telescope allows more light transmission and brightness and the light transmittance forming clear and colorful image Comfortable and Ergonomic Design: Ergonomic design helps you focus on your target quickly and accurately with one hand. And the long-lasting rubber armor with grain makes it comfortable for use, non-slip grip, and long-lasting external protection from your hand Waterproof Monocular: This HD waterproof, fog-proof, dust-proof, shockproof monocular, built in lens dust cover and o-ring sealed optics could prevent lens from dust/moisture/debris, ensures the living waterproof function, fit for the most weather and environment(note: it can not be used in a heavy rain for a long time or soaked in the water) Binoculars High Power Adult Bird Watching Traveling Waterproof Range Finder Reflector Telescope Astronomical Science Tripod Astronomy Beginner Microscopes Monoculars professional Hiking Camping Travel Optical