Maximum effective ISO is an estimate of the highest sensitivity at which a camera can capture excellent quality photos.
Cameras with higher effective ISO will be better choices for indoor photography, night shooting, and indoor sports photography, especially if you intend to make large prints.
You can learn more at our glossary entry.
Maximum effective ISO test data courtesy of DxO Mark.NEX-C3 test data on DxO Mark E-M5 test data on DxO Mark
Very small body, refined build. Large sensor for good light gathering. Various low-light shooting modes to improve results. HD video mode with real-time autofocus.
Menu-driven interface is sometimes confusing, making quickly finding what you want difficult. Camera may be too small for some.
Attractive body design; Well-built, weather-sealed body; Excellent image quality; Excellent image stabilization; Very fast autofocus.
Exposure compensation dial changes easily; Small buttons; No in-camera chromatic aberration correction; Bundled flash is weak; Video compression artifacts with rapidly-moving subjects.