The thermal imager Optris PI 640i is the smallest measuring VGA infrared camera worldwide. With an optical resolution of 640x480 pixels, the PI 640i delivers pin-sharp radiometric pictures and videos in real time. With a body sized 45x56x90 mm and weighing only 269 - 340 g (depending on lens), the optris PI 640i counts among the most compact thermal imaging cameras on the market. Free thermography software included.