Meopta Optika6 4.5-27x50 SFP Rifle Scope, Illuminated BDC-3, 30mm Tube Magnification: 4.5X-27X Second focal plane Illuminated BDC-3 glass etched reticle 50mm objective lens 30mm tube Tactical turrets Quick-Locking Elevation Turret Click adjustment value: 0.26" at 100 yards (A 1/4 MOA) Side parallax adjustment: 25 yards to infinity Windage and Elevation Adjustment Range (MOA): 84 MOA Field of view at 100 yards: 21.9'-3.6' Eye relief: 3.9" Length: 14.21 Weight: 31.1 oz MeoBright lens coating to eliminate glare and reflections to deliver 91% daylight light transmission MeoShield lens coating to eliminate scratching or abrasion Lifetime warranty