I currently use a Canon R8 and a range of lenses, including:
RF 70-200mm F/2.8L
RF 24-70mm F/2.8L
RF 100-500mm F/4.5-7.1L
RF 85mm F/2
RF 35mm F/1.8
All photos are edited in Adobe Lightroom, usually with presets as a starting point and built upon.
So far I've always used K&F Concept ND lens filters.