Handguns. Shotguns. Offset on a carbine. Whether running drills at the range or holding the line during rigorous duty use, the all-purpose Defender-ST™ delivers the toughness, accuracy, and adaptability your challenging world demands. Defender-ST™ Micro Red Dot Dimensions (in inches) Feature Tech Large Viewing WindowFor fast target acquisition and large field of view. Aspherical LensFor a distortion-free sight picture and truer colors. ShockShield™ Polymer InsertTo protect against hard, daily abuse. Fast-Rack™ Textured GripAggressive texturing on face of optic for racking slide off any surface. Motion Activation with 10 Minute Auto-ShutoffAutomatically activates with motion while 10 minute auto-shutoff saves battery life. Button LockoutPrevents accidental brightness adjustment during use or transport. Top Mount BatteryEasy battery changes without having to re-zero your optic. 10 Daylight Bright Brightness SettingsDaylight bright, illuminated center dot aids in faster center-point acquisition in bright daylight conditions. Night-Vision CompatibilityThe lowest 2 settings are night-vision compatible. Parallax FreeAll red dots and holographic sights will exhibit some small amount of parallax. Matching current industry practice, this small amount would be considered "parallax free" and will make a negligible difference in performance. Unlimited Eye ReliefNon-critical eye relief for rapid target acquisition. Low-Glare Matte Black AnodizedCorrosion and wear resistant anodization provides low-glare matte surface and helps camouflage the shooter's position. Single-Piece ChassisCompact and lightweight. WaterproofDesigned to withstand harsh weather conditions. FogproofDesigned to withstand a wide range of temperatures. ShockproofDesigned to withstand the highest levels of recoil and impact. Reticle 3 MOA DOT The Defender-ST™ features a total of 12 brightness settings (ten for daylight use and two for night vision). Offered with either a 3 or 6 MOA daylight bright red dot, it is easy to see and acquire targets regardless of lighting conditions or background. Specifications Mounting Footprint DeltaPoint® Pro Dot Size 3 MOA Dot Color Bright Red Magnification 1x Battery Type CR2032 Battery Run Time 25,000 hrs. Reticle 3 MOA Dot Eye Relief Unlimited Adjustment Graduation 1 MOA Travel Per Rotation 40 MOA Max Elevation Adjustment 115 MOA Max Windage Adjustment 145 MOA Parallax Setting Parallax Free Deck Height 9.7mm Length 1.83" Weight 1.48 oz. Mounting Footprint DeltaPoint® Pro Dot Size 6 MOA Dot Color Bright Red Magnification 1x Battery Type CR2032 Battery Run Time 25,000 hrs. Reticle 6 MOA Dot Eye Relief Unlimited Adjustment Graduation 1 MOA Travel Per Rotation 40 MOA Max Elevation Adjustment 115 MOA Max Windage Adjustment 145 MOA Parallax Setting Parallax Free Deck Height 9.7mm Length 1.83" Weight 1.48 oz. Product Videos Manuals & Parts Vortex Defender-ST Micro Red Dot Product Manual Vortex Defender-ST Micro Red Dot Parts Diagram Vortex Defender-ST Micro Red Dot Footprint
