Hawke Sidewinder 6.5-20x42 Riflescope (20x Ω Mil D, - 6.5-20x zoom range - 42mm objective lens - 18-layer anti-reflection fully multi-coated optics improve contrast, color rendition, and overall image brightness - 16.8-5.5' field of view at 100 yards - Duplex crosshair-style - Thick hollow outer posts - Thin center hairs with mil dots and stadia markers - 0.5 mil (1.72 MOA) spacing between dot and dash indicators - Markers can be used for hold-over/under, range estimation, target size estimation - Reticle sub-tension set at 20x - Knurled Posi-Grip adjustment collar - Five selectable brightness levels - Choose between red and green colors