This node sharpens the image without affecting contrast by using an edge dependent warp. Because it is edge dependent, it can help to bring a soft focus edge back into sharpness. This effect can be quite harsh if set too high, causing distortion to the image, so be careful.
0 to 25
Controls how much sharping is applied.
2 to 5
Sets the maximum distance a pixel can be moved by the sharpening warp.