> Yesterday at night I took my brother in law digital camera and > tried to see > what happen if I point it to an infrared led. This is the picture with my > finger "illuminated". Sony DSC-S30. > > Do the camera-sensors capture the heat or the color? > > Just curious!. It is short wave IR, not long wave (i.e. thermal) IR. The sensors in digital cameras are VERY sensitive to IR, so much so that most colour cameras have built in IR filters to prevent the incoming IR from messing up the colour picture. If you take this filter out you get a cheap mans night vision system. TTYL -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.