ISO 50000 shows much lower contrast usable.However , delineation test card boxes maintained well settings.ISO figure noise starts become visible : ISO3200 ISO figure noise overwhelms image : ISO25000 Interested ? Help support ePHOTOzine using links.Amazon UK Amazon US Leica V-Lux 5 ( 1in ) The Leica V-Lux 5 offers great set features , great image quality excellent video.As always , recommend sticking lowest ISO rating possible anything ISO100-400 'll fine with.Noise starts become obvious ISO1600 / ISO3200 , ISO12500 really seen.ISO25000 best avoided altogether.There reduced dynamic range shooting ISO80.ISO figure noise starts become visible : ISO3200 ISO figure noise overwhelms image : ISO12500 Interested ? Help support ePHOTOzine using links.Amazon UK Amazon US Ricoh GR III ( APS-C ) The Ricoh GR III n't going everyone , want compact camera , high image quality , Ricoh GR III delivers goods .