CornerFix corrects for vignetting effects in digital images. It's most often used to correct for the color vignetting that occurs when wide angle lenses are used with digital sensors that include IR filters, resulting in so-called "Cyan Corners".
CornerFix was originally written for the Leica M8, but now supports any camera that either directly produces a DNG format image file, or produces an image that can be converted to DNG.
