FLIR Scout II 320 Thermal Imager FLIR Thermal Imaging Camera 336x256 Vox Micro bolometer Field of View: 17x13. Focal Length: 19mm Fixed Focus Built in 640x480 LCD display Scout II starts up in seconds, requiring no training. Its menu is easy to use (Power, Polarity, Zoom, and LCD Brightness) and features either Freeze Frame (240 model) or 2X e-zoom (320 model).