Q:How does mechanical day and night cameras work?
cameras incorporate IR cut filters which automatically move over the
CCD sensor for daytime(color) usage, to prevent IR light to the CCD. At
night time, the filter will be removed automatically to bring in IR
right to the CCD, and maximize the low light sensitivity with black and
Article ID: 131, Created: July 14, 2009 at 1:38 PM, Modified: July 14, 2009 at 1:38 PM