The Mark 4A(R)20-60x80mm Tactical spotting scope gives you the brightness and clarity necessary for positive target identification in any conditions. Built to survive shocks, blows, drops, and impacts, it's not only tough, it's also 100% waterproof and fogproof. Countless military sniper teams have trusted the Mark 4 Tactical spotting scope. Available with either a Mil Dot or Tactical Milling Reticle First Focal Plane Reticle Xtended Twilight Lens System Waterproof and Fogproof Tripod Ready Mfg: Leupold