Multi-layer optics and BaK-4 prisms provide optimal contrast and high resolution for maximum brightness. Wide field of view allowing you to quickly locate your subject and follow him/her. Aluminium structure ensuring robustness, while keeping a minimum weight. Waterproof, for use in all weather conditions. Landscout binoculars are compatible with a tripod. Lens caps, neck strap, rain protection, lens fabric and carrying case are included. Celestron Limited Lifetime Warranty