ATN Night Arrow Night Vision Riflescopes deliver excellent observation, target acquisition and aiming capabilities for the demanding sports shooter or varmint hunter. Designed and built for both military and civilian users in mind, these scopes represent the absolute latest in the world of night vision equipment. Offered in multiple models with different image intensifier tubes and a detachable infrared illuminator, the Night Arrow scopes also utilize an illuminated center red reticle over a green background for optimal contrast against a dark or light target. Precise targeting scopes offer 1/2 MOA windage and elevation adjustment to keep you on target. Easy to use one-knob operation. Tough, water- and fog-resistant scope attaches to any standard weaver rail setup. Automatic brightness control(ABC) protects intensifier tube.