With a long legacy of proven grit, Diamondback® is a true workhorse, delivering hard-working reliability in trusted lineup of models. Excellent low-light capability. Brilliant contrast and sharpness that serves up impressive images. Renowned for toughness and accuracy, it’s built with durable construction and a lightweight design, giving hunters the confidence to push further and succeed in any terrain. Simple to use and rugged enough for any hunt, Diamondback® is made to go the distance, from the East to the Rockies and beyond. Diamondback 3-9x40 Dimensions (in inches) Lengths L1 L2 L3 L4 L5 L6 11.61 2.0 2.1 5.4 3.07 3.1 Heights H1 H2 1.89 1.69 Specifications: Magnification 3-9x Objective Lens Diameter 40 mm Focal Plane Second Focal Plane Reticle V-Plex (MOA) Eye Relief 3.3" Field of View 44.6' - 14.8' @ 100 yds Turret Style Capped Tube Size 1 inch Adjustment Graduation 1/4 MOA Travel Per Rotation 15 MOA Max Elevation Adjustment 70 MOA Max Windage Adjustment 70 MOA Parallax Setting 100 yds. Length 11.6" Weight 14.5 oz Features: XD™ Optical System Premium optical system delivers impressive resolution, edge-to-edge sharpness, greatly reduces chromatic aberration, and guarantees bright, high-contrast images. Fully Multi-Coated Lenses Anti-reflective coatings on all air-to-glass surfaces provide increased light transmission for greater clarity and low-light performance. Argon Gas Purged Gas purged and O-ring sealed for superior fogproof and waterproof performance in the most extreme conditions. Fast-Focus Eyepiece Allows for quick and easy reticle focusing. Aircraft Grade Aluminum Constructed from a solid block of aircraft-grade aluminum for strength and rigidity. Low-Glare Matte Black Anodize Corrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter's position. Waterproof Designed to withstand harsh weather conditions. Fogproof Designed to withstand a wide range of temperatures. Shockproof Designed to withstand the highest levels of recoil and impact. Reticle: V-Plex (MOA) A popular all-purpose hunting reticle intended for a wide variety of hunting applications. Manuals & Parts: Product Manual (PDF) (3.40 MB) Parts Diagram (PDF) (923.63 kB)