The Leupold Mark 5 M5C3 was built with the serious shooter in mind. With input from elite lever military personal and professional shooters, Leupold pushed the engineering limits. It features the Twilight Max HD Light Management System for excellent edge to edge clarity, low light performance and increased contrast. The M5C3 Zerolock adjustment turret is a 3 turn dial with 10 Mils of adjustment per turn with tactile revolution indicators. This scope provides the elite optical performance and rugged reliability that you've been searching for. Features: - 5:1 Zoom Ratio - 35mm Maintube - High Speed Power Selector with Integrated Throw Lever Specifications: - Magnification: 5-25x - Objective Diameter: 56mm - Tube Diameter: 35mm - Reticle: TMR - Reticle Construction: Glass Etched - Illuminated Reticle: Yes - Battery Type: CR2032 - Holdover Reticle: Yes - Reticle Focal Plane Location: 1st - Power Variability: Variable - Adjustment Click Value: 1/10 MIL - Adjustment Type: Click - Parallax Adjustment: Side Focus - Eye Relief: 5x: 3.80" and 25x: 3.60" - Field of View at 100 Yards: 5x: 20.40' and 25x: 4.20' - Maximum Windage and Elevation Adjustment: 35 MIL - Exposed Turrets: Yes - Finger Adjustable Turrets: Yes - Turrets Resettable to Zero: Yes - Zero Stop: Yes - Turret Height: Medium - Fast Focus Eye Piece: Yes - Lens Coating: Fully Multi-Coated - Rings Included: No - Sun Shade Included: Yes - Lens Covers Included: Yes - Waterproof, Shockproof, and Fogproof: Yes - Length: 15.70" - Weight: 32 oz - Finish: Matte Black.