Correct me if I'm wrong, but the 30m limit is due to some taxes or regulations on "video cameras", right?
Edit: Yup. https://petapixel.com/2012/05/21/30-minute-video-limit-in-di...
> At present [2012], digital cameras' video cuts off after 30 minutes to avoid them being classified as video cameras (which attract 5.4% duty because they are considered to be video recorders