High Resolution Glass for Excellent Performance in a variety of field conditions * Waterproof, Shockproof, Fogproof ? capable of withstanding the harshest surroundings * Fully Multi Coated Optics for Optimum Clarity * Solid One Piece Main Tube Construction Hard Anodized Aircraft Grade Aluminum Body * Audible and Tactile ¼ MOA Elevation and Windage Adjustments