Next level 3X magnification versatility when you need it for your red dot or holographic sight in an ultracompact, lightweight, and optically crisp package. Integrated quick-release allows fast attach/detach while camlock engages/disengages magnifier with direct pressure. Adjustable flip mount allows for right or left-handed use. The Micro3x Magnifier will work with any of Vortex's red dots. The Micro3x will not work with prism scopes. Product Features Magnification: 3X Objective Lens Diameter: 22 mm Eye Relief: 2.64 inches Linear Field of View: 38.2 feet @ 100 yards Angular Field of View: 7.28 inches @ 100 yards Length: 2.9 inches Weight: 6.9 oz Construction Features Shockproof: Rugged construction withstands recoil and impact Waterproof : O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments Fogproof: Nitrogen gas purging prevents internal fogging over a wide range of temperatures Flip-up Mechanism: Quick flip up/down mechanism can be oriented to flip-up to the left or right Nitrogen Gas Purged: Gas purged and o-ring sealed for fogproof and waterproof performance in all conditions. Fully Multi-Coated: Increase light transmission with mutiple anti-reflective coatings on all air to glass surfaces