Designed for close quarters to long-range applications, the Vortex Viper PST Gen II riflescope offers shooters an illuminated reticle with highly functional and detailed hold points that simutaneously remains uncluttered for optimal viewing. The illuminated reticle features 10 intensity levels with off positions between each setting, and the dial is cleanly integrated into the side focus adjustment knob for easy access. Features: a XD Lens Elements increases resolution and color fidelity a DR Fully Multi-Coated to increase light transmission with multiple anti-reflective coatings on all air-to-gas surfaces a Second Focal Plane Reticle (Scale of reticle maintains the same ideally-sized appearance) a Glass-etched reticle a Illuminated reticle with 10 intensity levels a Fogproof using Argon gas purging a ArmorTek scratch-resistant hard coating that protects exterior lenses from scrates, oil, & dirt a Tactical-style turrets a RZR Zero Stop mechanism prevents the turret from dialing below sight-in range