Built with military grade precision and optical quality and proven in every theater, these are the binoculars you want when visual clarity is vital. Steiner M1050r Military R 10x50 SUMR Reticle Binocular Gen I 2663 is ideal for open terrain and mountainous or hilly country. It's equipped with a milliradian ranging reticle. Features: Mil-SpecFloating Prism SystemMulti-Coated LensesMakrolon HousingSports-Auto-Focus-SystemCylindrical EyecupsFogproof, waterproof, and shockproof Steiner 10x50 Military w/ SUMR Reticle Binocular Gen I 2663