TRUGLO Opti-Speed 1-4x24mm BDC Crossbow Scope (TG8514BLC)

Glass-etched reticle can be used with or without illumination; Rheostat controlled brightness settings; Enhanced crossbow BDC reticle compensates for bolt drop and provides accurate hold-over points from 20-100 yds; Speed calibrated magnification system scales the reticle and target image to match bolt velocity (215-450 fps); Speed Variable (1-4 x 24mm); Nitrogen gas-filled for a fog-free experience; Fully-coated lenses increase brightness, contrast, and clarity; Adjustable rheostat brightness control; Click adjustments for windage and elevation; 1/2-MOA windage / elevation adjustments