The Mark 4 12-40x60mm tactical spotting scope with the Inverted H-32 reticle 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. Boasting Leupold"s Professional-Grade Optical System, it offers unmatched light transmission thats designed to outperform in the most challenging lighting conditions. Its industry leading glare reduction provides a clear image in harsh, direct light, while the resolution and clarity will meet the demands of any professional guide or shooter in the field. Leupold spotting scopes are equipped with a 1/4"-20 thread tripod adapter that will accept the standard 1/4"-20 thread mounting screw found on most tripods.