The Steiner 8x30 Military/Marine Binoculars offer plenty of magnification, rain-proof construction, and incredible versatility. They're designed for use in a variety of settings, from mountaintops to riverbeds, on land or on water. The binoculars feature durable rubber construction for protection against impact and are guaranteed not to fog or leak internally for 10 years. Long eye relief accommodates eyeglass wearers. Manufacturer 10-year limited warranty.