Meade high-quality, 20-60 power, zoom porro prism binoculars deliver years of use;Large 80mm objective gathers plenty of light for bright detailed images;Features high index BaK-4 prisms and high-quality, precision ground lenses that are coated with multiple layers of anti-reflection coatings;Waterproof, fog-proof, and nitrogen purged to ensure many years of performance regardless of the environment;Comes standard with a soft case and camera adapter