Fujifilm GFX100S + Fujifilm GF 30mm f/3.5: Optical Distortion
The Fujifilm GF 30mm f/3.5 is exeamplary in its low distortion, having only a very low level of barrel distortion affecting the corners. Very few lenses of this field of view can do so well.
Kudos for this aspect of optical design!
Fujifilm GFX100S + Fujifilm GF 30mm f/3.5: Optical Distortion
Includes images with both corrected and uncorrected distortion.