For this review, the lens was tested on a Nikon Z7 II using Imatest. Distortion is just +0.71% pincushion. If further correction is needed then there are in-camera and software solutions.

We use Imatest SFR (spatial frequency ... You want a top-quality autofocus lens for macro photography with your Nikon Z or Sony Alpha mirrorless camera, without paying over the odds.