NS 156 NS 156 combines affordability with high optical quality. As an extra feature, the scope incorporates illuminated reticle with adjustable brightness for individual viewing preferences. A huge 56mm lens and selected quality tube provide a bright, sharp image. A lit reticule allows easy targeting under any conditions. NS 156 on a rifle Product Acessories: I/R illuminator Soft padded carrying case Rubber eye guard User manual Warranty card Product Features: Lit reticle / Adjustable reticle brightness Weather resistant Automatic brightness protection Removable I/R illuminator Internal windage/elevation adjustments Specifications Generation Magnification Field of view Dioptric correction Objective lens diameter Power supply Battery life, hours Dimensions, mm Weight, kg   1 3 10° ±4 56 mm 2 AA 20 (Without I/R) 8 (With I/R) 310x96x73 1.000