Every feature was put in place for one purpose: to help you get the maximum advantage from your rifle, whether you?re hunting or in competition. 100% Waterproof and Fog Proof 30mm Maintube 3:1 Zoom Ratio 6061-T6 Aircraft Quality Aluminum Blackened Lens Edges DiamondCoat 2 Dual Use Flip Back Lens Covers (Mark 4) Front Focal Plane (FFP) Generous Eyebox Lockable Fast-Focus Eyepiece M5 Adjustments Side Focus Super Fast-Focus Eyepiece Twin Bias Spring Erector System Waterproof/Fogproof Xtended Twilight Lens System ** BLEMISHED products may or may not include accessories. Image may not represent the exact product number.