The results remarkable , excellent image integrity little apparent noise right ISO 3200.The noise creeps ISO 6400 25600 , even may tolerable.By ISO 51200 things falling apart , ISO 102,400 image quite mushy ISO 204,800 mushiness joined masses noise , edges merge background hope sharpness long lost.Overall though , highly impressive.ISO figure noise starts become visible : ISO6400 ISO figure noise overwhelms image : ISO2400 Interested ? Help support ePHOTOzine using links.Amazon UK Amazon US Nikon Zfc A terrific small APS-C format camera delivers goods offers multitude dials buttons allow access main functions.Add gorgeous retro styling lenses match , end something many photographers find appealing indeed.ISO performance sound fully usable ISO1600 , ISO 3200 still putting acceptable level performance .