Noise extremely well controlled ISO160 ISO12800 , noise low , good levels detail maintained.Colour saturation also remains good throughout standard ISO range.ISO figure noise starts become visible : ISO6400 ISO figure noise overwhelms image : ISO12800 Interested ? Help support ePHOTOzine using links.Amazon UK Amazon US Leica Q2 Reporter ( FF ) The Leica Q2 Reporter versatile reportage camera excellent performance handling well sense style.The ISO ranges ISO 50 ISO 50000.Every photographer different idea noise becomes unacceptable , Q2 Reporter impressive.Up ISO 1600 gradual increase noise levels ; subtle images totally smooth eye.ISO 3200 sees change noise starts take hold , likewise ISO 6400.ISO 12500 onwards sees lower contrast well increasing noise levels , settings may best reserved emergencies .