EOTECH VUDU FFP RIFLE SCOPE BLACK 3.5-18X50MM H59 RETICLE MRAD The Vudu 3.5-18x50 features a robust 34mm tube, XC High-Density glass, and other performance features for precise long-range shooting. Oversized turrets with EZ Check Zero Stop, allow you to quickly adjust and return to zero, even in low-light conditions. Side-mounted parallax adjustments provide rapid reticle focus for difficult long-range shots.