The Lens Distortion filter provides a way of correcting distortion caused by the curvature of a camera lens. It's especially useful for correcting barrel distortion (where straight edges are bowed outwards), or for correcting pincushion distortion (where straight edges are bowed inwards).
This filter can be found in the Filters Studio, in the Distortions category.
This filter can be applied as a non-destructive, live filter.
The following settings can be adjusted on the context toolbar: