Vortex Diamondback 4-12X40 SFP Riflescope, Dead-Hold BDC MOA, 1/4 MOA, 1" Magnification: 4-12x Objective lens: 40mm Multi-coated lenses Second focal plane Reticle: Dead-Hold BDC (MOA) FOV: 32.4' - 11.3' at 100 yards Eye Relief: 3.1" Capped turrets Tube diameter: 1" Click value: 1/4 MOA Maximum windage adjustment: 60 MOA Maximum elevation adjustment: 60 MOA Parallax: 100 yards Length: 12" Weight: 14.2 ounces Includes removable lens covers, and lens cloth VIP Lifetime Warranty