3rd Gen. Image Intensifier TubesBattle proven Generation 3 technology. Our Gen. 3 units provide exceptional quality image resolution under varying light conditions. The units with 3rd Gen. Image Intensifier Tubes have a typical resolution of 64 lp/mm and a typical Signal-to-Noise Ratio of 20.DescriptionATN Mars Night Vision Weapon Scopes - the world's largest line of professional Night Vision Sights – has a flagship – the ATN MARS4x-3. Inspired by ATN's quest for technical perfection and named after the Roman God of War, the ATN MARS4x-3 NV Riflescoperepresents the absolute latest in the world of Night Vision Equipment. Similar to all of the ATN Aries Scopes, the ATN MARS4x-3 features only the purest grades of heavy glass and computer-aided optical designs to create multi-element, high-speed, multi-coated lenses for ultra-fast light transmission and resolution beyond current military standards. All optical lenses on the ATN MARS4x-3 are individually fitted and calibrated to achieve optimum performance. Features Superior quality Multi-coated all-glass optics Precision windage and elevation adjustments Tactical digital remote control Waterproof and submersible to 66 feet for 1 hour Included mount for Picatinny or 7/8" Weaver-style rail Unit accepts either, (1) 3V CR123A or (1) AA battery Nitrogen-purged for resistance to internal fogging Free Mil-spec hard case included Limited Two-Year WarrantySpecification Total Darkness IR System Yes 'SMART' Technology No IIT Generation 3 Resolution 64 lp/mm Magnification 4x Lens System F 1.5, 108 mm Proshield Lens Coating Yes FOV 9; Exit Pupil 7 mm Eye Relief 45 mm Range of Focus 10 m to infinity Diopter Adjustment -5 to +5 Controls Direct Remote Control Yes Automatic Brightness Control Yes Bright Light Cut-off Yes Infrared Illuminator Detachable IR450 IR Indicator Yes Low Battery Indicator Yes (in FOV) Power Supply 1x1.5 V AA type battery or 1x3 V CR123A type battery Battery Life 55 hours (3 V) 40 hours (1.5 V) Reticle System Red or Amber on Green Windage & Elewation Adjustment 1/4 MOA Environmental Rating Waterproof MIL-STD-810 Yes Operating Temperature -51 to +45;C Storage Temperature -55 to +70C Dimensions 235x90x95 mm 9.3"x3.5"x3.7" Weight 1.3 kg / 2.9 lbs Warranty 2 years IIT Generation:3rd GenerationTotal Darkness IR System: YesField of View:9Exit Pupil7mmDimensions:235x90x95mm (9.3"x3.5"x3.7")Weight:1.3 kg / 2.9 lbs ATN MARS4x-3 Night Vision Sight NVWSMRS430