The Trijicon AccuPoint features advanced fiber optics and several intelligent features that makes this scope the right choice for all light conditions and even the harshest environments. It operate battery free-eliminating the potential for failure during critical moments in the field. Trijicon's Manual Brightness Adjustment Override, allows you to control the light output of the fiber-optics during daylight. Included is an advanced elements like multi-layer coated lenses for superior light transmission with no distortion, quick-focus eyepiece, long-eye relief, and precise windage and elevation adjustments. The AccuPoint's aircraft-quality, hard-anodized aluminum construction protects it from the toughest elements and it is nitrogen-filled to prevent corrosion and eliminate fogging. A solid black-matte finish eliminates glare and light reflection, which could spook game. It's water resistant, so the AccuPoint is able to handle even the most challenging hunting conditions.The Trijicon AccuPoint features a post reticle with an illuminated triangle tip. This unique design allows for super-quick target acquisition in any light conditions. The scope is illuminated through the use of fiber optics and tritium, providing a vivid aiming point without the need for batteries. Features: Fiber optics and tritium power and illumination source 10 feet submersion depth