This scope features the ultimate in all weather construction. They are waterproof, nitrogen filled and provide a lifetime of internal fog protection for inclement weather. Specifications: - Magnification: 3-9X - Object Diameter: 40 - Eye Relief: 3.6-4.5 - Reticle Type: German 4A - Click Value: 1/4 MOA - Fov: 36.6-12.6 - Length: 12.75 - Tube Diameter: 1.0" - Windage Elevation Travel: 70 - Weight: 13.40 - Finish: Matte Black - Minutes Per Revolution: 15