Vortex 6-24x50mm Diamondback Tactical Rifle Scopes are designed with the First Focal Plane function, making it easier to use reticle subtensions to the highest magnification level. These Rifle Scopes from Vortex Optics have anti-reflective coatings on all exposed glass surfaces to improve visibility even without illumination at dusk and at dawn. The Vortex 6-24x50mm Diamondback Tactical FFP Rifle Scope comes equipped with Zero Reset enabled tactical windage and elevation turrets that adjust precisely for more accuracy. Count on the shockproof, fogproof Vortex Diamondback Tactical 6-24x50mm 30mm Tube First Focal Plane Rifle Scope for your next hunt. Specifications for Vortex Diamondback Tactical 6-24x50mm 30mm Tube First Focal Plane Rifle Scope: Manufacturer: Vortex Objective Lens Diameter: 50 mm Magnification: 6 - 24 x Tube Diameter: 30 mm Reticle Focal Plane: First Focal Plane (FFP) Exit Pupil: 2.08 - 8.33 mm Illumination Color: None Finish: Hard Anodized Field of View, Linear: 4.5 - 18 ft at 100 yds Eye Relief: 3.9 in Weight: 24.6 oz Length: 14.5 in Parallax: 10 yds to infinity Illumination Type: Non-Illuminated Width: 4 in Fabric/Material: Aircraft Grade Aluminum Height: 2.44 in Focus Range: 10 yds to infinity Lens Material: Glass Optical Coating: Fully Multi-Coated Weather Resistance: Yes Water Resistance Level: Waterproof Shockproof: Yes Fogproof: Yes Battery Quantity: 1 Package Type: Box Magnification Type: Variable Condition: New Attachment/Mount Type: Ring Features of Vortex Diamondback Tactical 6-24x50mm 30mm Tube First Focal Plane Rifle Scope: Optical Features:  XD Lens Elements: Extra-low dispersion (XD) glass increases resolution and color fidelity, resulting in crisp, sharp images. Fully Multi-Coated: Proprietary coatings increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. First Focal Plane Reticle: Scale of reticle remains in proportion to the zoomed image. Constant subtensions allow accurate holdover and ranging at all magnifications. Glass-Etched Reticle: Allows for intricate reticle design. Protected between two layers of glass for optimum durability and reliability. Construction Features:  Tube Size: 30 mm diameter provides maximized internal adjustment and strength. Aircraft-Grade Aluminum: Constructed from a solid block of aircraft-grade aluminum for strength and rigidity. Waterproof: O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments. Fogproof: Nitrogen gas purging prevents internal fogging over a wide range of temperatures. Shockproof: Rugged construction withstands recoil and impact. Hard Anodized Finish: Highly durable hard-coat anodization provides a low-glare matte surface and helps camouflage the shooter's position. Internal Mechanism Design Features:  Precision-Force Spring System: Uses premium components in the erector-spring system to ensure maximum repeatability and ease of adjustment. Precision-Glide Erector System: This system ensures the components in the zoom lens mechanism glide smoothly and cleanly through all magnification ranges. Convenience Features: Fast Focus Eyepiece: Allows quick and easy reticle focusing. Magnification Rib: The raised rib on the magnification ring facilitates fast magnification changes in the heat of action. Package Contents: Vortex Diamondback Tactical 6-24x50mm 30mm Tube First Focal Plane Rifle Scope Lens Covers Lens Cloth Sunshade Vortex VIP Warranty The Vortex VIP warranty is about you, not us. It's about taking care of you after the sale. VIP stands for a Very Important Promise to you, our customer. We will repair or replace your Vortex product in the event it becomes damaged or defective-at no charge to you. If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. You see, it doesn't matter how it happened, whose fault it was, or where you purchased it. You can count on the VIP Warranty for all Vortex Optics Rifle Scopes, prism scopes, red dots, rangefinders, binoculars, spotting scopes, tripods, and monoculars. Unlimited Lifetime Warranty Fully transferable No warranty card to fill out No receipt needed to hang on to If you ever have a problem, no matter the cause, we promise to take care of you Note: The VIP Warranty does not cover loss, theft, deliberate damage or cosmetic damage that does not hinder the performance of the product.