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 Zero lock 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 Main tube - High Speed Power Selector with Integrated Throw Lever Specifications: - Magnification: 5-25x - Objective Diameter: 56mm - Tube Diameter: 35mm - Reticle: Tremor - Reticle Construction: Glass Etched - Illuminated Reticle: No - Holdover Reticle: Yes - Reticle Focal Plane Location: 1st - Parallax Adjustment: Side Focus - Power Variability: Variable - Adjustment Click Value: 1/10 MIL - Adjustment Type: Click - Lens Coating: Fully Multi-Coated - Eye Relief: 5x: 3. 80" and 25x: 3. 60" - Field of View at 100 Yards: 5x: 20. 40' and 25x: 4. 20' - Maximum Wind age 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 - Rings Included: No - Sun Shade Included: Yes - Lens Covers Included: Yes - Waterproof, Shockproof, and Fog proof: Yes - Length: 15. 70" - Weight: 32 oz - Finish: Matte Blac.