Dear Juan, Take a look at this software... <http://www.integrated-color.com/cedpro/coloreyesdisplay.html> It will do what you ask regarding the screen brightness and monitor calibration. You can buy the software alone, or the kit with a puck. jim k [Non-text portions of this message have been removed]
Message
Re: [Digital BW] Imac Screen
2009-07-14 by jim kitchen