The ISO range extended ISO80 , ISO51200 , although 'll need use ' C ' / Custom setting ISO speed dial , goes ISO160 ISO12800.ISO figure noise starts become visible : ISO3200 ISO figure noise overwhelms image : ISO12800 Interested ? Help support ePHOTOzine using links.Amazon UK Amazon US Fujifilm X-S10 The Fujifilm X-S10 gives excellent handling feels great hand.In fact , pick camera , feels right , everything 'd expect , handgrip large enough comfortable , yet camera still compact , get benefit smaller camera standard DSLR.Noise lowest lower settings , would expect , fine detail maintained ISO800/ISO1600.As ISO speed increases fine detail lost , noise visible , however , would say noise `` film-like '' quality , n't disturbing noise.Depending needs , may find results produced camera quite usable , ISO12800 .