50mm Lens 640x512 Resolution Infrared Aiming Scope

Category R640K50 Parameters of Infrared Detector Resolution, Pixels 640×512 Pixel Size 12 μm NETD (Noise Equivalent Temperature Difference) ≤50mk Frame Rate 50Hz Optical Parameters Objective Lens Focal Length 50mm Objective Lens Aperture F1.0 Objective Lens Field of View (FOV) 8.7×7.0 Focusing Method: Manual Manual Eyepiece Exit Pupil Distance 55mm Eyepiece Exit Pupil Diameter 6mm Eyepiece Diopter Adjustment -5D~+5D Observation Distance (Human) 700m Display Type AMOLED Resolution 1024×768 Size 0.39 Brightness adjustment Support, up to 200nit Power supply Battery type Rechargeable lithium battery Battery parameters 18650（3400mah） Number of batteries 2 Battery voltage Nominal 3.7V External power supply 5V /2A USB TYPE C Operating time (at 25℃) 10h Peripheral devices Electronic compass Support Attitude sensor Support