Celestron's powerful 71008 Skymaster binoculars are specially designed to enable brighter views of the night sky in addition to general daytime use. They're powerful binoculars and their wide, 70 millimetre objective lenses, and fully-coated optics enable brighter images, higher contrast, and a wider field of view. Waterproof and measuring 35.56 x 27.94 x 15.24 centimetres, the binoculars are sturdy, durable, easily-gripped, and ideal for all outdoor ventures.