In a message dated 1/29/08 12:42:54 PM, tom.husband@... writes: Can't you also use QTR Create ICC and just measure the 21 step grayscale or RGB target using the Colorvision Spectro? Yes, you could, but that requires a rather obtuse piece of third party software. I was noting the methods available directly from our products... C. David Tobie International Product Technology Manager Digital Imaging & Home Theater Datacolor CDTobie@datacolor.com www.datacolor.com/Spyder3**************Start the year off right. Easy ways to stay in shape. http://body.aol.com/fitness/winter-exercise?NCID=aolcmp00300000002489