 White halos can also be suppressed when sharpening.Distortions

In the Distortions filter, barrel or pincushion distortion can be controlled, horizontal and vertical perspective may be changed, the image may be stretched and squeezed, the image may be skewed, h-bend can be controlled, and vignetting can be corrected.This feature is especially useful for photographs taken with a wide-angle lens, as this often produces distorted images.