The Steiner Predator 4 combines superior German craftsmanship, military-grade durability, high-definition optics and an incredibly wide field of view to create a Scope that flat-out delivers in low light conditions. The innovative Predator Diamond Coating provides superior light transmission and high-contrast imaging-so you see all the action in stunning clarity. 4-16x magnification ensures that you can confidently pursue game in all environments. A 50mm objective lens and side parallax adjustment provide a clear and bright image across all magnifications. The Predator 4 features an illuminated, second focal plane E3 reticle designed specifically for hunters. The reticle features 5 MPH and 10 MPH crosswind reference marks for every 100 yards, and provides bullet drop compensation holdover marks for along the lower vertical crosshair. And with 11 brightness settings (5 daylight/6 night), you'll always have the right reticle for the light conditions. High-definition glass provides amazing clarity Predator Diamond Coating provides superior light transmission and high-contrast imaging Second focal plane illuminated E3 reticle features 5 MPH and 10 MPH crosswind reference marks and bullet drop compensation holdovers 5 daylight & 6 night brightness settings Huge field of view gives you the ability to scan wide open spaces 30mm main tube 100% waterproof, fogproof and shockproof Side parallax adjustment