text: In addition to six preset Picture Styles Standard, Portrait, Landscape, Neutral, Faithful and Monochromeusers can create three additional settings for their particular photographic style. Users can even choose a grid overlay, perfect for architectural photography. Canon lenses employ advanced optical expertise and micron-precision engineering to deliver unprecedented performance in all facets of the photographic process. Even with erratic or rapid subject Canon EOS-1D Mark III Camera PTP Twain, the photographer can concentrate solely on image composition. New Custom Functions aid the photographer in choosing default focusing points, as well as changing the size of a manually-selected AF point, making this not only the fastest, but also the most customizable AF system on the planet.