N-Vision NSI NOX Thermal Monocular 640×480 Resolution 60 Hz 12 um 18mm Lens The NOX18 is a thermal monocular with a highly advanced 12 micron 640x480 BAE thermal core with a fast 60 Hz refresh rate, providing the same image quality as the HALO series of thermal scopes. In addition to being a handheld monocular, the NOX18 can be mounted to a weapon and used as a thermal sight with adjustable reticles, and can withstand the recoil of a 50 BMG. It can also be head/helmet mounted and be configured to right or left eye operation. Specifications: - Monocular Magnification (Digital Zoom): 1x/2x/4x/8x - Field of View: 24.3 (H) ft x 18.3(V) ft; 30.4 ft (diagonal) - Thermal Sensitivity: 12µ - Sensor Resolution: 640 x 480 - Display: OLED - Battery Type: (1) CR123 battery OR (1) 18650 battery - Optic Details: 18mm F1.0 lens - Weight: 12.6 oz (CR123 battery without weapon mount), 14.9 oz (CR123 battery without weapon mount), 14.3 oz (18640 battery without weapon mount), 16.6 oz (18650 battery with weapon mount) - Dimensions: 5.0×2.9×2.4 (CR123 battery without weapon mount), 5.0×2.9×3.0 (CR123 battery with weapon mount), 6.4×2.9×2.4 (18650 battery without weapon mount), 6.4×2.9×3.0 (18650 battery with weapon mount)