ZeroTech Optics Trace 0mm Riflescope 30mm Tube First Focal Plane LRH Reticle Black. Specifications for ZeroTech Optics Trace 3-18x50mm FFP LRH Reticle Illuminated Riflescope: Manufacturer: ZeroTech Optics Objective Lens Diameter: 50 mm Magnification: 3 - 18 x Reticle: LRH Tube Diameter: 30 mm Reticle Focal Plane: First Focal Plane (FFP) Exit Pupil: 2.8 - 9.5 mm Field of View Linear: 11.2 - 1.9 m at 100 m Eye Relief: 91 - 100 mm Color: Black Weight: 825 g Adjustment Click Value: 0.25 MOA Adjustment Type: MOA Parallax: 25 yds to infinity Light Transmission: 92 percent Package Type: Box Magnification Type: Variable Gun Type: Rifle Lens Finish: Weathershield Lens Coating Features of ZeroTech Optics Trace 3-18x50mm FFP LRH Reticle Illuminated Riflescope: Zero Stop; Glass etched reticle; HD alloy flip-up covers; Half Magnification Index (HMI); Precision Turret System (PTS); 92percent Light Transmission Package Contents: ZeroTech Optics Trace 3-18x50mm FFP LRH Reticle Illuminated Riflescope ZeroTech Optics TR3185FL-IR: Trace 3-18x50mm Riflescope 30mm Tube First Focal Plane LRH Reticle Black