Distortion correction for pincushion distortion has the side effect of visible loss of micro contrast over all of the frame. For a high performance lens, using correction is highly undesirable when sharpness is a goal, particularly for pincushion distortion.
Distortion and distortion correction shown, with the impact on sharpness and micro contrast.
Distortion for Sony FE 35mm f/1.4 GM
Distortion for Voigtlander FE 35mm f/2 APO-Lanthar Aspherical
Distortion for Sony FE 14mm f/1.8 GM
Includes images up to full camera resolution.
Old Mining Buildings
f5.6 @ 1/25 sec EFC shutter, ISO 100; 2021-06-07 19:31:49[low-res image for bot]
Sony A7R IV + Sony FE 35mm f/1.4 GM
ENV: altitude 6500 ft / 1981 m
RAW: LACA corrected, distortion corrected, vignetting corrected, pull 0.5 stops, +40 Whites, +10 Clarity