ARKEN OPTICS products are designed to combine quality, performance, and precision with tremendous value. The EP-5 is a FFP (First Focal Plane) optic that features Japanese ED glass to enhance clarity and minimize dispersion. The center dot and the immediate 1 MIL (4 MOA) area surrounding the reticle can be illuminated red, enhancing visibility and focus. Additionally, it is outfitted with our AZS system (ARKEN ZERO Stop) and incorporates adjustable elevation and windage turrets with tactile and audible clicks. These turrets are 10 MIL/25 MOA per revolution. Magnification 5-25x Objective Diameter 56mm Eye Relief 3.4 inches Field of View 25.3-4.9 ft @100 Yards Tube Size 34 mm Turret Adjustment 1/10 MIL 1/4 MOA Reticle Position First Focal Plane Reticle Details VPR Zero Stop AZS Zero Stop System Zero Reset Yes Elevation Adj. Range 32 MIL/110 MOA Windage Adj. Range 16 MIL/55 MOA Adjustment Per Revolution 10 MIL/25 MOA Parallax Side Parallax Adjustment 25Yds – Infinity Illuminated Reticle Red Turret Rotation Counter Clockwise (CCW) Length 14 inches Color Matte Black Weight 39.2 oz Sunshade Yes Battery (Included) CR2032   Arken Zero Stop: A tactile mechanical stop for an instant, repeatable return to zero without the risk of over-rotating.   J-ED Glass: Top-tier Japanese Extra-Low Dispersion fluoride glass, providing minimal chromatic aberration and high-contrast images.   FFP Reticle: The reticle grows or shrinks as you change magnification, ensuring all subtensions and holdovers remain accurate at every power setting.