Unknown. Help us by suggesting a value. (Olympus M.Zuiko 17mm F1.8)
Unknown. Help us by suggesting a value. (Olympus M.Zuiko 17mm F2.8)
The vignetting result from the DxOMark set of metrics. Vignetting refers to when the brightness of an image changes from the center towards the edges, resulting in darkened corners. A result of 0 is perfect and the image will have no vignetting. Tested with Nikon D7000 or Canon 7D. Source: DxOMark.
Vignetting: is this important to you?