Flir K45 High-Performance Thermal Imaging Camera 240x180 (3-Button)Specifications Imaging & Display IR Resolution: 240 180 pixels Display: 4 in. LCD, 320 240 pixels, backlit Field of View (FOV): 51 38 f number: 1. 25 Focal Length: 9 mm (0. 35 in.) Focus: Fixed Depth of Field: 0. 84 m to infinity (33 in. to infinity) Detector Type: Focal plane array (FPA), uncooled microbolometer Image Frequency: 60 Hz Pitch: 25 m Spatial Resolution (IFOV): 3. 6 mrad Spectral Range: 7. 513 m Thermal Sensitivity NETD: <40 mK @ 30C