NcSTAR Vism 4-16X 50mm Dot Reticle Evolution Series Scope, Black High Resolution Glass for Excellent Performance in a variety of field conditions Fully Multi Coated Optics for Optimum Clarity Glass Etched Reticle with Blue and Green illumination Waterproof, Shockproof, Fog proof - capable of withstanding the harshest surroundings High Resolution Glass for Excellent Performance in a variety of field conditions Fully Multi Coated Optics for Optimum Clarity Glass Etched Reticle with Blue and Green illumination Waterproof, Shockproof, Fogproof - capable of withstanding the harshest surroundings Easy to adjust Locking Target Turrets also feature Zero Reset