The 30MP sensor Canon EOS 5D Mk IV superb performer one similar.I would quite happy use ISO3200 / ISO6400 although noise gradually creeping , well held makes standard range ISO speeds usable.At ISO25600 , may want avoid using setting , processing image , depending intended use.ISO figure noise starts become visible : ISO3200 ISO figure noise overwhelms image : ISO12800 Interested ? Help support ePHOTOzine using links.Amazon UK Amazon US Canon EOS RP The Canon EOS RP offers LOT bang buck , great image quality 26mp full-frame sensor , packed compact camera body.Noise well controlled , low , ISO3200.Fine detail lost ISO6400.Noise becomes noticeable ISO12800 , results still good.Noise stronger ISO25600 , results may usable , depending needs , example , 're using images web and/or resized .