The Ten Zone utilizes a reduced rear housing, allowing easier centralizing of the peep, while offering all the benefits of a larger diameter lens. High quality, multi-coated Nikon Lens offers excellent brightness and clarity. Water repellant, anti-static, anti-reflective. The lens is housed in the center of the scope so offers equal shade from the front hood and rear housing. Features a precision CNC machined housing and integral hood. Can be used with fiber optic kit or stick on dots and circles.