SIGHTMARK Sight XT3 Tactical Magnifier With LQD FS Mount Designed to mount behind a reflex sight or red dot to increase magnification the Sightmark XT-3 Tactical Magnifier allows shooters to engage targets at further distances with a 23mm objective lens and 3x magnification. Compact and lightweight the Sightmark XT-3 features a flip-to-side mount providing rapid transition between your gun’s optic system and 4” eye relief improving overall comfort for shooters. External adjustments eliminate the need for tools for reticle alignment while fully multi-coated optics and rubber armored housing increase the XT-3 Magnifier’s image clarity and durability. EOTech and Aimpoint compatible the Sightmark XT-3 is quickly mounted and removed via a locking quick detach mount. - Body Material: Aluminum - Diopter Adjustment: +3 to -3 - Exit Pupil Diameter: 7.6mm - Eye relief (in/mm): 3.5/88.9 - Eyepiece Diameter: 33.8mm - Field of view (ft@100yd): 39.6 - Field of view (m@100m): 13.2 - Field of View degree: 7.5 - Fog Proof: Yes - Height (in/mm): 2.1/54 - IP Rating (waterproof): IP67-submersible to 1m/3ft - Length (in/mm): 4.1/103 - Lens Coating: AR green - Lens material: Glass - Magnification: 3x - Maximum Recoil: 800G's - Mount Type: Weaver/Picatinny - Objective Lens Diameter: 23mm - Operating Temp°F/°C: -22 to 160 / -30 to 71 - Shockproof: Yes - Tube Diameter: 30/1.18 - Weight (without batteries/without mount) oz/g: 12.7oz - Width (in/mm): 2/51.5