High-quality, nitrogen-filled Helios Stellar-II binoculars with single eyepiece focusing, designed for medium to long observation distances in nature or for astronomical observations. The binoculars are waterproof to IPX7 standard (1m depth for 30 minutes) and nitrogen-filled for clear, fog-free observation. The impact-resistant design includes a durable yet lightweight magnesium alloy body covered in a stylish black rubber finish. The glass contains BaK-4 prisms and a fully multi-layer broadband coated optical system, whose coating on the lenses and prisms allows a high light transmission of 85% in the system. The eyepieces contain oversized lenses and foldable rubber eyecups for spectacle wearers and allow a generous eye relief. The binoculars are equipped with a central tripod mount. A soft carrying case, a padded carrying strap and protective caps for eyepieces and lenses are included. Scope of delivery: 25×100 binoculars Lens Protective caps Eyepiece protection Carrying strap Carrying case! Power supply and batteries are not included!