For this review, the lens was tested on a Nikon Z7 II using Imatest. Distortion measures -2.0% barrel, which is definitely noticeable on, for example ... the sun in the frame shows no sign ...

Then there were two new Laowa Nanomorph 28-55mm and 50-100mm, claiming to be the world’s first "affordable anamorphic zooms", ...

The blue column represents readings from the centre of the picture frame at the various apertures ... which is pretty good for a 20mm lens. Further correction is possible in-camera or in software ...

For example, the full-frame Canon TS-E 90mm f/2.8L Macro ... communication with the camera and recording of lens-based EXIF data. The Laowa FF S 20mm F4.0 Zero-D Shift is an ultra-wide-angle ...