All Vantage riflescopes feature Hawk Sport Optics H2 optics in a variety of configurations. There are 30mm FFP models as well as reticles designed specifically for slug guns, .223/.308 calibre and rimfire rifles. IR models feature precision glass etched reticles with multi-stage illumination in both red and green. 30/30 Duplex Reticle - A variant on the classic L4 reticle, the 30/30 Duplex offers 30a ^2 spacing from post to post at 100yds, when on 4x magnification. Capped Low-Profile Turrets 1 Inch Mono-Tube Chassis 11 Layer Fully Multi-Coated Lenses High Torque Zoom Ring Fast Focus Eyebell Nitrogen purged Shockproof Waterproof Fog proof All caliber rated Hawke No-Fault Lifetime Warranty