The new Helios Nitrosport series of 10×50 and 12×50 roof prism binoculars offer a modern, stylish open bridge design that makes them extremely light and easy to use. They are great for bird watching, hunting and all other observation tasks. The 10×50 model is also a good choice for astronomy. Both binocular models contain high-quality silver-coated BaK-4 prisms and fully multi-coated optics. In addition, the prisms are provided with a phase coating for increased light transmission and contrast. The binoculars are waterproof to IPX class 5 (0.5m water depth for 3 minutes) and nitrogen-filled for clear and fog-free observation. The adjustable eyecups make the binoculars perfect for those who wear glasses. They are also provided with a black rubber coating and equipped with a tripod socket. Delivery includes carrying strap, eyepiece cover and soft carrying case. Scope of delivery: 10×50 binoculars eyepiece cover bag carrying strap! Power supply and batteries are not included!