With a redesigned HD optical system that cuts inches and ounces off the original platform, the new Spitfire HD Gen II 3x and 5x models are a shooter’s dream come true. Choose your ideal magnification and mounting height, then rely on the BDC-style reticle to subtend with most popular 5.56 cartridges for quick holdovers at known distances, keeping you locked on target.SpecificationsMount Type Multi-HeightMagnification 3xObjective Lens Diameter 21 mmEye Relief 2.6 inchesField of View 37.9 feet/100 yardsAdjustment Graduation 1 MOAMax Elevation Adjustment 250 MOAMax Windage Adjustment 250 MOAParallax Setting 100 yardsLenth 3 inchesWeight 9 ouncesOptical FeaturesHD Optical System Optimized to deliver exceptional resolution, cut chromatic aberration, and provide outstanding edge to edge sharpness and light transmission.Brightness Settings 12 levelsNight-Vision Compatibility The lowest 2 settings are night-vision compatible.Construction FeaturesWaterproof O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments.Shockproof Rugged construction withstands recoil and impact.Fogproof Nitrogen gas purging prevents internal fogging over a wide range of temperatures.Nitrogen Gas Purged Gas purged and o-ring sealed delivering waterproof, fogproof performance.Low-Glare Matte Black Anodized Corrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter’s position.Compact, Lightweight Design Rugged construction that’s still compact, with a lightweight form-factor.