Ares optics are first-class. They have ED glass lenses with Advance multi-coated and feature BaK4 prisms with the new ESP Dielectric Coating and Phase Coating. They bring super-premium clarity and brightness within the reach of most avid enthusiasts Their tough Magnesium chassis is fog proof and waterproof and filled with Argon to give you better internal fog proofing and thermal stability. They are covered with a durable rubber armor. Bottom line? Just like Ares the Greek god of war, they will stand up to a punishment. They’re the perfect combination of lightweight construction, optical quality and rugged durability.