<<I have a fine camera with digital zoom. When I zoom so far that the entire image is taken from a single pixel I notice that there is absolutely no noise.>> Try inGenuine Fractals. -- Whatever you Wanadoo: http://www.wanadoo.co.uk/time/ This email has been checked for most known viruses - find out more at: http://www.wanadoo.co.uk/help/id/7098.htm