Counter Sniper Optics 3-9 Tactical Scope, Titanium Specifications - Body: 3x-9x 30mm - Primary Objective 42mm - PermaLax™ optics provide razor focus as depth of field expands with zoom range - IR Invisible Type 3 Hardcoat Anodized Body and Rings (Titanium) - MIL Spec Anodized in T6160 Aircraft Aluminum - Patent Pending Lockable Turrets - Proprietary -230-+485°F stable Bertrillium-Zantitium™ - multicoated optics for dusk/dawn /shadow enhanced transmissivity - with proprietary HydroShear™ water/ice displacement coating - DustCaster™ Ion-charge for ant-static dust displacement - InfraShield™ IR spectrum filtering coating - TitaniStar™ 68 Rockwell Mil-spec antiscratch coating - Titanium versions feature aspheric hybrid primary and secondary lens groups - Proprietary rare earth/nitrogen gas purged - hard earth sealed - Variable Tri-Color Illuminated - Rear RFP Engraved Glass Mildot Reticle - Night Vision and Video Vision Compatible