NcSTAR Mark III Tactical Gen 3 3-9X40 Mil-Dot - BlackGEN3 Mark III Tactical 3 9X40mm scope The Electronic Control Panel turns On Off the Illuminated Reticle, adjust the brightness level of the Illuminated Reticle, changes the Reticle Color from Blue or Red. There are five brightness settings for the Illuminated Reticle. The Mark III Tactical whole Ocular body functions as a large Magnification ring. There is also an adjustable reticle focus ring at the end of the ocular lens. Low Profile Elevation