How to correct radial exposure and brightness (density) in your photo software. Get even exposure from center to corner through out the photo. At last a tool to give you even radial exposure and brightness (density) in your digital photography. Most lenses, all home digital cameras and all photos taken with a single flash will produce uneven radial exposure. The example to the right shows a photo taken with flash and - as an example - the hypothetical mask you would need to correct it with in a darkroom. Power Retouche Photoshop plugins are also for Paintshop Pro, Corel Draw, Illustrator, Fireworks and other graphic software or photo software for photo editing, restoration or retouching