Sony FE 16-35mm f/4: Distortion at 16mm, 20/21mm, 24mm, 28mm, 35mm
Get Sony FE 16-35mm f/4 OSS at B&H Photo.
These examples with commentary are presented both without and with correction for distortion. The frames can be toggled for comparison
Sony 16-35mm f/4 OSS: Distortion Examples @ 16mm
Sony 16-35mm f/4 OSS: Distortion Examples @ 20mm / 21mm
Sony 16-35mm f/4 OSS: Distortion Examples @ 24mm