Arken Optics 5-25X56 34mm Tube First Focal Plane Rifle Scope MOA VPR. 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 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. Specifications for Arken Optics 5-25X56 34mm Tube First Focal Plane Rifle Scope: Manufacturer: Arken Optics Objective Lens Diameter: 56 mm Magnification: 5 - 25 x Tube Diameter: 34 mm Reticle Focal Plane: First Focal Plane (FFP) Color: Black Package Contents: Arken Optics 5-25X56 34mm Tube First Focal Plane Rifle Scope Arken Optics EP5-5250VPR: 5-25X56 34mm Tube First Focal Plane Rifle Scope MOA VPR