VANTAGE 4-12×40 AO MIL DOT 11 layer fully multi-coated optics for excellent clarity Adjustable objective for parallax correction (AO models) 1 inch mono-tube chassis for superior strength ¼ MOA low profile no-snag fingertip turrets Fast focus eyebell and high torque zoom ring Threaded objective/ocular for optional accessories OVERVIEW Chassis:1 Mono-tube Optical System:4-12× Objective:40mm Reticle:Mil Dot Illumination:N/A Focus/Parallax:Adjustable Objective - 9m / 10yds to Infinity Field of View: m @100m / ft @100yds8.7 - 2.9m / 26.2 - 8.7ft Eye relief:89mm / 3.5 Length:346mm / 13.6 Weight:485g / 17.1oz Waterproof, Shockproof, Nitrogen purged. All calibre rated. Material:Aluminium Exit Pupil:10 - 3mm / 0.3 - 0.1 Ocular Type:Fast Focus Lens Coating:Fully Multi-Coated - 11 Layers Power Selector Style:Knurled Posi-Grip Warranty:Hawke Worldwide Warranty Elevation Increment:¼ MOA Elevation Adjustment Range:100 MOA Windage Increment:¼ MOA Windage Adjustment Range:100 MOA Turret Caps:YES Turret Type:Low Profile