Xe847 is a first-of-its-kind filter technology that produces digital photos and video that appear as seen through the human eye. It recalculates how a human would see a scene, by simulating lower physiological as well as some higher psychological effects. Three different versions of the Xe847 Photoshop Plugin are available: The "Basic" version applies the Xe847 filter without any user interaction. The "Pro" version gives you much more control. You get three controls that let you change color constancy correction, Brightness/Contrast and color temperature. The "ProPlus" version goes even further and offers an additional selective color correction plus is able to process 16bit images.