Professional High Powered Monoculars: Monoculars with 10X high power magnification and 42mm objective lens. perfect monoculars for bird watching, concerts, football game,climbing, hiking, driving, watching wildlife and scenery. It also features higher-resolution,greater light transmittance and Mindistortion, provides bright and sharp images without color difference;High Quality Optics: With BAK4 prism and lens, light transmittance reaches up to 99.5%, vers more light to the view, reduces chromatic aberration and ghost images, give you clearer, brighter and more colorful view;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);Easy to Use: You can see scenery Easily and Rapidly by using our monocular telescope for Single Hand-Adjust the eye cup and Focus Wheel until see clear and bright image;