Help support ePHOTOzine using links.Amazon UK Amazon US Best Low Light MFT Cameras OM System OM-1 Beautifully made , Olympus OM-1 , last OM System camera bear name , compact , efficient performs admirably ; suitably impressive way say farewell Olympus name greet OM System.OM System claims ISO performance OM-1 within whisker equalling full-frame sensor , certainly seem impressive.Up ISO 200 results essentially noise-free , ISO 400 3200 slight progression setting increased , noise level low integrity test target boxes clear sharply defined.All settings fully usable.At ISO 6400 25600 things become progressively noisier , pattern still tight outlines well defined.At ISO 51200 102400 contrast drops dramatically , sharpness dips settings really emergency , perhaps special effects .