U.S. Optics FDN-17X 3.2-17x50mm Rifle Scope 34mm Tube First Focal Plane HORUS H59 Reticle 1/10 MIL Elevation Windage Adjustment Matte Black Medium FDN. Its wide magnification range optical clarity and feature set make the FDN 17X a multipurpose optic for use across many shooting applications. The FDN 17X 3.2-17X features a 50mm objective 6061-T6 aluminum 34mm tube low-profile ER3K elevation knob with a zero stop ergonomic capped US#1 windage knob integrated illumination and parallax knob rapid adjustable 180 magnification throw and customization options that will undoubtedly meet your needs. Specifications for U.S. Optics FDN-17X 3.2-17x50mm Rifle Scope 34mm Tube First Focal Plane: Manufacturer: U.S. Optics Objective Lens Diameter: 50 mm Magnification: 3.2 - 17 x Tube Diameter: 34 mm Reticle Focal Plane: First Focal Plane (FFP) Exit Pupil: 3 mm Illumination Color: Red Finish: Type III Hard Coat Anodized Field of View Linear: 25.25 - 8.03 ft at 100 yds Color: Black Weight: 29.6 oz Length: 15.02 in Parallax: 50 yds to infinity Illumination Type: LED Battery Type: CR2032 Width: 3.883 in Fabric/Material: Aluminum Height: 2.43 in Magnification Type: Variable Gun Type: Rifle Features of U.S. Optics FDN-17X 3.2-17x50mm Rifle Scope Digital Red FFP HORUS H59 Reticle 110 Click ER3K with 1/10 MIL Adjustments 48 Click US#1 Windage Knob with 1/10 MIL Adjustments Recommended Butler Creek Flip-up Covers (NOT INCLUDED) FDN FX17 Objective: MULTIFLEX 43 & 44 OBJ #34344 Eyepiece: Multiflex 13 & 14 EYE 21314 fits just over the diopter Multiflex 16 17 & 18 EYE 21618 fits past the diopter onto eyepiece housing Package Contents: U.S. Optics FDN-17X 3.2-17x50mm Rifle Scope 34mm Tube First Focal Plane U.S. Optics FDN 17X H59: FDN-17X 3.2-17x50mm Rifle Scope 34mm Tube First Focal Plane HORUS H59 Reticle 1/10 MIL Elevation Windage Adjustment Matte Black Medium