Andrew Reid made a detailed blog post, on the banding induced by trying to use the MJPEG codec in Premiere Pro, 3 years ago (still not fixed). He suggested to convert to ProRes, but I prefer Windows and I was unable to find much on making it work flawlessly. Andrew's 2015 post https://www.eoshd.com/2015/01/is-adobe-premiere-to-blame-for-banding-in-8bit-dslr-footage-canon-1d-c/. I actually had tested a conversion to ProRes in Davinci Resolve 15 & Final Cut Pro X, from my MacBook and I noticed