Canon EOS 40D Digital Field Guide : In the Canon EOS 40D, speed and reliability meet superior image quality and affordability. And the more you know about your camera, the better your images will be. So don't wait another minute. Learn how to work with color spaces and white balance, use Live View, set up the 40D for your shooting style, set and evaluate exposure, and more. Get helpful tips and advice that you can use every time in this handy guide that goes wherever you take pictures.