The binoculars are 100% waterproof and nitrogen filled to prevent internal condensation. The Viking Navilux’s can also be focussed to under 2 metres, making them extremely versatile. The twist-down eye cups also mean that spectacle wearers can use the Viking Navilux Binoculars with confidence.Key Features• 100% Waterproof • Nitrogen filled to prevent internal condensation • Close focusing down to 2 metres • Twist down eyecups for spectacle wearers • Supplied with case, strap and rainguard • 1 year warrantyThis is used in good condition. Lenses are scratch free, body shows sign of wear.