Extremely rugged, high quality binoculars which are perfect for the great outdoors.the rugged barska x trail reverse porro binoculars are the ideal companion for nature spotting and sports events, giving you great quality optics in a durable casing. Large objective lenses maximise light transmission for bright clear images, even in low light conditions, and the ruby lens help to minimise glare. Designed with a reverse porro system, the objectives are offset from the eyepiece in a horizontal way which reduces the total size of the construction by about 30%, when compared to the traditional porro prism system. Ergonomic, shock absorbing rubber armour makes them tough and easy to hold securely, and they come with a carrying case and neck strap for total convenience. 8x magnification42mm objective lensbak7 roof prismsmulti coated lenseseye relief 20mm rugged and durable rubber armour with non slip gripcarrying case, neck strap, lens covers and lens cloth included