The Trijicon AccuPoint features advanced fiber optics and several intelligent features that make this scope the right choice for all light conditions and even the harshest environments. All models in the AccuPoint Series operate battery freeeliminating the potential for failure during critical moments in the field. They also feature Trijicons Manual Brightness Adjustment Override which allows you to control the light output of the fiberoptics during daylight. AccuPoint riflescopes include other advanced elements like multilayer coated lenses for superior light transmission with no distortion quickfocus eyepiece longeye relief and precise windage and elevation adjustments. The AccuPoints rugged construction protects it from the toughest elements. Its crafted from aircraftquality hardanodized aluminum with a tube thats nitrogenfilled to prevent corrosion and eliminate fogging. A solid blackmatte finish eliminates glare and light reflection which could spook game. Its water resistant so the AccuPoint is able to handle even the most challenging hunting conditions.