THE BEST SIDE OF COOLED MID-WAVE INFRARED LENSES

The Lens of a THermal,imaging ir digicam isn't designed outside of glass such as the lens of a traditional CCTV digicam. The Houses of glass mean that it doesn't transmit infrared radiation really very well and would be an impractical lens materials for thermal imagers. As a substitute Germanium is useful for Flir lenses.Long-array surveillance in