There is some curvature on real terminals; here's my AM-75, which is a rebadged Wyse. https://oldvcr.blogspot.com/2020/06/refurb-weekend-alpha-micro-eagle-300.

There is some curvature on real terminals; here's my AM-75, which is a rebadged Wyse. https://oldvcr.blogspot.com/2020/06/refurb-weekend-alpha-micro-eagle-300.html https://oldvcr.blogspot.com/2020/06/refurb-weekend-alpha-mic... However, it's probably not as extreme as what this does, and when you're sitting in front of it (the photo is at an angle) I don't notice much text distortion.