The Barska 18x70mm Waterproof Encounter Jumbo Binoculars are the preferred alternative to decorative telescopes that may not be optically suitable for the demands of terrestrial viewing or an expensive astronomical telescope that may be complicated to use and have less optical quality and design integrity than a Jumbo. All metal construction makes this binocular durable for many outdoor activities. The precisions eye piece have individual focus system for customization of viewing. BAK-4 prisms with fully-multi coated optics provide maximum light transmission and clear crisp images. The Porro prism system offers greater depth perception and a wider field of view. water proof and fog proof protection to prevent moisture damage. Has a convenient removable carrying handle and is tripod adaptable for steady viewing. Tripod sold separately. Backed by One Year Limited Warranty. Includes deluxe carrying case and lens cloth.