The newest addition to the Huskemaw Tactical Series lineup is the next evolution in long range optics. It incorporates the patented TrueBC� the Rapid Field Ballistic Compensator (RFBC) and the simple yet powerful wind compensating reticle (US Patent 8365455). The 34mm main tube 50mm objective lens and side focus parallax correction dial make the 5-20 Tac Hunter an outstanding choice for both varmint hunters and target shooters. It also includes special features for the big game hunter: Ballistic compensation and parallax adjustments are easily made without breaking shooting position and the F2 50mm objective lens creates a bright clear image for high magnification and low light use. - Patented RFBC Turret System with HuntSmart� Reticle. Glass etched second focal plane reticle protected between two layers of glass - Schott F2 Glass w/Multicoatings - TrueBC� Drop Compensation - Dual Interlocking Turrets - 34mm Tube Diameter - Internal Bubble Level - Illuminated Reticle w/10 levels of intensity - Fast Focus Eyepiece - Lifetime Warrantee - Magnification: 5X-20X - Focal Plane: Second - Overall Length: 14.2 inches - Weight: 31.4 ounces - Tube Diameter: 34mm - Objective Lens Diameter: 50mm - Eyepiece Diameter: 43mm - Max. Mounting Length: 6.2 inches - Field of View @ 100 yds: 17.9 ft - 5.2 ft.. - Click Value: .333 MOA - Adjustments per Revolution: 90 clicks / 30 MOA - Maximum Adjustment: 110 MOA