This US Optics MR-10 1.8-10x37 riflescope with MOA Scale Type 1 reticle features a turret parallax left side focus, low profile rapid focus eyepiece, matte black type III hard anodizing, 12 position digital illumination, US#1 1/4 IPHY windage knob, and EREK 1/4 IPHY elevation knob with 90 clicks per revolution.