Athlon Helos BTR GEN2 2-12x42 Features The Athlon Helos BTR GEN2 2-12x42 utilizes advanced fully multi-coated lenses and XPL protective coating to maximize light transmission contrast and clarity. Its first focal plane design ensures reticle subtensions remain accurate at all magnification levels for consistent ranging and holdovers. Argon purging combined with waterproof fog proof and shockproof construction ensures reliable performance in demanding environments. As an illuminated MIL tactical scope this model features the AHMR2 FFP IR MIL etched glass reticle with precise 0.1 MIL click adjustments. Direct dial exposed turrets with locking elevation and windage controls allow confident adjustments while preventing unintended movement. The precision zero stop system ensures a sharp repeatable return to zero and side focus parallax adjustment from 10 yards to infinity enhances clarity across short and extended distances. Athlon Helos BTR GEN2 2-12x42 Specifications Manufacturer: Athlon Model: Helos BTR GEN2 Magnification: 2-12x Objective Lens Diameter: 42 mm Tube Diameter: 30 mm Reticle: AHMR2 FFP IR MIL Focal Plane: First Click Value: 0.1 MIL Adjustment Per Rotation: 10 MIL Total Elevation Adjustment: 32 MIL Total Windage Adjustment: 25 MIL Field of View: 55.7-9.6 ft @ 100 yds Eye Relief: 3.6 Parallax Adjustment: Side Focus 10 yds - Infinity Turrets: Exposed Locking Elevation and Windage Optic Coating: Advanced Fully Multi-Coated Additional Coating: XPL Protective Coating Material: Aircraft Grade Aluminum Purging Material: Argon Proofs: Waterproof Fog Proof Shockproof Length: 11.8 Weight: 25.4 oz