SHARPEYE 4-10X40RG Etched Glass Nitrogen Riflescope Get greater accuracy and long range shorts with the sharpeye scope. The magnification of 4x to 10x of this rifle scope gives you a detailed and focused view of distant objects. The multi-coated optics with etched glass nitrogen filled delivers clear viewing even in low light. Sharpeye 4-10x40RG is complete protection from water, shock and fog. You can easily adjust the windage and elevation with the 1/4 M.O.A click of this Sharpeye rifle scope. The Fast-focus eyepiece of this pistol scope provides you with sharp focus of your target. This scope has a large exit pupil of 13mm to 4.4mm that gives you a precise view in any lighting condition.