Night Optics USA D-440-2MS Generation 2+ Mil Spec Advanced Night Vision Sight

D-440-2MS Generation 2+ Mil Spec Advanced Night Vision Sight Designed for use on medium and large caliber firearms, the D-440s extraordinary performance is the result of coupling a Mil Spec Gen 2+ image intensifier with high-resolution optics. A micro-click Side-Wheel Objective Focus and illuminated Mil Dot amber-on-green reticule ensure quick target acquisition on the darkest nights. The rugged D-440 features a shock-resistant, waterproof, aluminum alloy housing, a low-profile, high-strength, weaver mount, precision positive-click windage/elevation adjustments, and an integrated mount for an optional Long-Range IR Illuminator. The D-440 can be easily converted without tools into a powerful, long-range 6x sight with the addition of an optional magnification doubler. Specifications: Image Intensifier: Generation 2+ Resolution: 28 to 38 lp/mm Magnification: 3x (6x optional) Lens System: 88 mm f1.5 FOV: 12°, @ 1000 yards 631 Range of Focus: 33 to infinity Detection Range: 902 (3x) / 984 (6x) 275 meters (3x) / 300 meters (6x) Recognition Range: 656 (3x) / 740 (6x) 200 meters (3x) / 225 meters (6x) Diopter Adjustment: +4 to -4 Weather Resistant: Yes Reticule Type: Mil-Dot (illuminated amber-on-green) Windage/Elevation Adjustments: ¼ MOA/click IR Illuminator: Optional Battery Type/Life: CR123 / 40 hours Dimensions 8.8 inches x 2.6 inches x 3.4 inches Weight: 28 Operating Temperature: -4°F to 113°F Tube Data Sheet: Yes Warranty: 2 Years