The end result is an image with very accurate, realistic light. There are plenty of reasons this would be useful—better-looking 3D games, movies, and computer-generated imagery on the ...

One of the easiest ways to go from blah to blur, however, is by using Photoshop’s field blur tool, which creates realistic background ... what each one does: The “light bokeh” control ...

Even when you remove the bright stars, the glowing dust and other nearby points of light from the inky, dark sky, a background glow remains. That glow comes from the cosmic sea of distant galaxies ...