The Sig Sauer Zulu6 HDX Pro Marine Binoculars deliver exceptional optical performance with 18x magnification and 50mm objective lenses in a rugged marine-grade design.Sig Sauer Zulu6 HDX Pro Marine 18x50mm Binoculars18x magnification with 50mm objective lenses for superior light gatheringMarine-grade waterproof construction for harsh environmentsHigh-visibility orange housing for easy visibility and retrievalHDX optical system for crisp clear imagesDesigned specifically for marine applications these binoculars are perfect for boating coastal observation and any water-based activities where reliable high-magnification optics are essential.