Re:ReMarkable 2.0 – A digital notebook that feels like paper
by TheRealPomax on Thursday September 03, 2020 @08:29PM
(#24370491)
See https://news.ycombinator.com/item?id=24300982 for how that video is the poster child of "very intentionally making it impossible to actually determine real life lag".
https://www.youtube.com/watch?v=wpwbVwfWIKE&t=17m53s
About precision, I'm not really sure. There's a bunch of writing footage in this video, which might have what you're looking for: https://www.youtube.com/watch?v=W9wudCMFWPQ&t=8m10s