Fusion Thermal Atris 650 3-15x 50mm Night Vision Rifle Scope 640x512 Resolution. This scope is built like a tank and very simple to operate. Get Ready for a different kind of view as the heat differential detection capabilities of this device deliver optical images that are nothing short of stunning. Specifications for Fusion Thermal WTS105 Atris 650 3-15x 50 Mm 640x512 Resolution: Manufacturer: Fusion Thermal Magnification: 3 - 15 x Battery Type: 18650 Weight: 31.7 oz Objective Lens Diameter: 50 mm Night Vision Generation: Digital Resolution: 640x512 pixels Field of View Linear: 394 ft at 1000 yds Battery Life: 7.5 hours Fusion Thermal WTS105 Atris 650 3-15x 50 Mm 640x512 Resolution