The Warhawk is Swampfox Optics' latest high magnification precision rifle scope series, featuring crystal clear glass, tough construction, and intelligent FFP Sharpshooter reticles. Standout features include a 34mm main tube for superior adjustment range and night vision compatible reticle illumination. The Warhawk incorporates user friendly zero-resettable, locking target turrets, side-mounted parallax and reticle illumination adjustments, and a fast focus eyepiece to always keep the reticle sharp. FEATURES: Magnification: 4-20x Tube Diameter: 34mm Objective Lens Diameter: 50mm Exit Pupil (mm): 12.9mm (4x) -- 2.4mm (20x) Eye Relief (in): 4.1-3.4 Mfg: Swampfox Optics