>>4173191Electronic shutters and EFCs cause banding if the shutter doesn't match the flicker rate of digitally controlled lighting. Looks like this.
Remember this is the company that doesn't put anything resembling dust and moisture reduction on non-L lenses, takes legal action against anyone making autofocus lenses for their cameras, sells lens hoods and tripod foots separately, and released multiple full frame cameras without IBIS (which has existed for nearly 2 decades now).