Steiner, Predator 4, Rifle Scope, 2.5-10X, 42mm Objective, 30mm Tube Diameter, E3 Reticle, 1/4 MOA, Second Focal Plane, Matte Finish, Black WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. Rugged and Lightweight Best-In-Class Optical Clarity Industry Leading Light Transmission Versatile For Different Hunting Pursuits Predator Diamond Coating Product Description The Predator 4 riflescopes offers a compact, lightweight design while providing the military ruggedness and durability you've come to expect from Steiner! Best-in-class optical clarity, with a massive field of view to deliver industry leading light transmission, and outstanding results in low light conditions.