Arken Optics 1-8 34mm Tube First Focal Plane Rifle Scope Black. Made from durable materials that can go where you go snug fit and 270 deg of rotation allow you to keep the focus where it needs to be. Specifications for Arken Optics 1-8 34mm Tube First Focal Plane Rifle Scope: Manufacturer: Arken Optics Magnification: 1 - 8 x Reticle: MOA Tube Diameter: 34 mm Reticle Focal Plane: First Focal Plane (FFP) Color: Black Package Contents: Arken Optics 1-8 34mm Tube First Focal Plane Rifle Scope Arken Optics EP8-18KLB-M: 1-8 34mm Tube First Focal Plane Rifle Scope Black