vignetting
A reduction (or more rarely, an increase) of an image's brightness or saturation at the periphery compared to the image center.
For a hard-edge circular border, use round border instead.
Examples
See also
External links
Aliases: none
A reduction (or more rarely, an increase) of an image's brightness or saturation at the periphery compared to the image center.
For a hard-edge circular border, use round border instead.