Description1.Professional Powerful BinocularsDesigned with 20X power magnification, 50mm large objective lens and 168ft/1000yds large field of view good for fast moving subject, are ideal for bird watching, hunting, driving, camping, hiking, sports events and astronomy.2.Compact Binoculars with Clear image: Best 22mm multi-layer coatings green film eyepiece lens (FMC Lens) and Large smart BAK-4 prism that gives 99.9% light transmission and superior brightness, guarantee the key elements of an optical device, make your view brighter, clearer and deliver crisp images.3.Weak Light Night Vision with Superor OpticsDesign of Aspherical lenses and multi-layer coating guarantee excellent light transmission and well improve image brightness, contrast and quality. It can be used at night, but not in complete darkness. Suitable for concerts, opera, sightseeing and astronomical viewing.4.Solid and Anti-slip GripDurable structure with odorless rubber armor for shock-resistance and Anti-slip grip, making it not only in decent appearance of more wear-resistant, moisture-proof, waterproof and fogproof but also perfect for outdoor activities such as climbing, hiking, travelling, watching wildlife and scenery.5.Easy to FocusCorrective optical coating are good for color fidelity and minimize distortion. Diopter System adjusting the imbalance vision of both eyes. The smooth and large center focus knob makes it simple to operate and easy to focus. This pair of binoculars can be used with a tripod.This binoculars has a magnification of 20 times and an objective lens of 50 mm in diameter, allowing more light to penetrate and bringing clearer details. The 22mm lens can get a wider and more interesting field of view.Specification:Calibre size: 50MM Field of view: 131m/1000MClose-focus distance: 4.0MObjective lens coating: FMC multi-layer coatingLens: All optical glassProduct Magnification: 10xPrism material: BAK-7prismsPupil distance: 10MMPupil diameter: 2.2MMWaterproof level: Life waterproofDimension: 230*100MMContains:Instruction booklet*1Storage bag*1Protective case*2Shoulder strap*1Dustproof cloth*1