A pocketful of power. Lightweight, rugged and with plenty of magnification to take you up high hillside and into deep canyon. Famous Steiner military design at a price that's more than reasonable. It represents high level of optical technology. CAT coating (Color Adjusted Transmission) allows for substantial increase in overall light transmission, while shielding eyes from glare and uneven light. Full U.S. Military specification construction, totally waterproof and immersion tested. Long eye relief for eyeglasses and extended viewing comfort. Ideal for high power requirements where good low light performance is a must.