The NightForce NX8 2.5-20X50mm Rifle Scope offers a wide magnification range and useful features that will help you adapt to any situation on the hunting grounds or in the field. NightForce designed these Rifle Scopes with their signature ZeroStop turret that allows you to easily revert back to your original zero, even in dark conditions or while wearing gloves. This NightForce NX8 2.5-20X50mm SFP Rifle Scope also features extra-low dispersion (ED) lenses for peak optical quality, and the second focal plane is perfect for hunters who want their reticle to remain the same size throughout the magnification range. Plus, the adjustable illuminated reticle can be adapted to your current needs to provide the fastest, most precise target acquisition possible. Equip a NightForce NX8 2.5-20X50mm F2 Rifle Scope to dominate targets at any distance. Specifications for NightForce NX8 2.5-20x50mm Rifle Scope, 30mm Tube, Second Focal Plane: Manufacturer: NightForce Objective Lens Diameter: 50 mm Magnification: 2.5 - 20 x Tube Diameter: 30 mm Reticle Focal Plane: Second Focal Plane (SFP) Exit Pupil: 2.5 - 5.9 mm Illumination Color: Red Field of View, Linear: 12.2 - 2 m at 100 m Eye Relief: 3.5 in Weight: 28.6 oz Length: 12.1 in Parallax: 11 yds to infinity Illumination Type: Digillum Battery Type: Lithium Ion Fabric/Material: Aluminum Adjustment Range: 32 Mil Rad Magnification Type: Variable Condition: New W/E Travel at 100 Yds: 32 MRAD Features of NightForce NX8 2.5-20x50mm Rifle Scope, 30mm Tube, Second Focal Plane: Standard power throw lever ZeroStop elevation adjustment DigIllum digital reticle illumination technology ED (extra-low dispersion) glass Package Contents: NightForce NX8 2.5-20x50mm Rifle Scope, 30mm Tube, Second Focal Plane