The BSA zoom spotting scope merges rugged durability with fully coated optics for bright, crisp images and high-definition color contrast at higher powers compared to other scopes in this price range. Lock on to your subject, then zoom in for greater detail using the variable zoom magnification. Fold-down eyecup ensures adequate eye relief. O-ring-sealed and nitrogen purged for waterproof, fogproof integrity. Rubber-armored body and attached lens cover add protection. Smooth-focusing knob for microadjustments. Includes panhead tripod and soft carry case. Manufacturer's limited lifetime warranty.