COSTIN Ultimate HD 8-24x50 Durable Zoom Binoculars with Porro Prism Powerful Adults Telescope for Hunting Bird Watching Wildlife Stargazing Observing Sport Events and Hiking - Black ZOOM POWERFUL MAGNIFICATION -- 8-24X50 magnification, tripod adaptable, 50mm object lens diameter, provides a wide FOV perfect for surveillance, hunting, bird watching, stargazing, astronomy, concerts, and much more; More convenient in rotary manner to adjust the magnification; Sharp, clear, Ultra HD image to take your viewing/ watching experience to a new level of clarity and brightness. MFC HD LENS OPTICS -- Extra-low dispersion (ED) glass with minimal distortion greatly increase the light transmittance and the image sharpness. Fully Multi-Coated lenses and high index proof prism create better image brightness, contrast and quality. WIDE FIELD OF VIEW -- 125-244Ft/Yads at 1000yads provides a wider field of view, good for fast moving subjects. You can easily twist it up or down to twist eye cups to get the maximized comfortable and precise viewing with or without eyewear. DURABLE & ERGONOMIC DESIGN -- The splash proof and rubberized case provides comfort and keep it from slipping, durable magnalium framework and rugged non-slip environmental-friendly rubber armor - Its tight fitting protection provides a firm grip and makes it usable to withstand the tough weather conditions. PACKAGE: With 1*binoculars, 1 * durable hard case, 1*cleaning cloth, 1*strap, 1*carrying bag, 1 * User Manual, 4 * lens caps, 1* color box.