Athlon Optics 15-60x56 Ares ETR Gen2 UHD, SFP ABLR3 IR MOA Reticle, 1/8 MOA, 30mm Tube 15-60x magnification 56mm objective lens 30mm aircraft-grade aluminum tube Locking windage turret Precision zero stop UHD glass High-precision erector system 3.7" eye relief 10 yds to infinity side parallax adjustment 7.84-1.94 feet Field of view at 100 yards 0.125 MOA Click Value 10 MOA adjustment per rotation 56 MOA total elevation adjustment 56 MOA total windage adjustment 15.9" long 38.4 oz ABLR3 SFP (Second Focal Plane) MOA Etched Glass Reticle Illuminated reticle with variable brightness Advanced Fully-Multicoated lenses XPL protective coating Heat-treated one piece tube Waterproof Fogproof Shockproof Argon purged Lifetime warranty Made in Japan Includes large side parallax adjustment wheel, graduated marking tapes for side wheel and magnification zoom lever