The word vignetting is used to indicate an unintended darkening of the image corners in a photographic image. There are three different mechanisms which may be responsible. Natural and optical vignetting is inherent to each lens design, while mechanical vignetting is due to the use of improper attachments to the lens.
What's new in version 1.8
ReleaseFebruary 27, 2012
Date AddedFebruary 24, 2012
Operating SystemsWindows 95, Windows 2000, Windows Vista, Windows 98, Windows Me, Windows, Windows XP, Windows NT