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.A99 test data on DxO Mark D3200 test data on DxO Mark
High resolution allows cropping; Good performance in low light; Compact and comfortable, highly portable; Fast and responsive, just begs to take pictures; Quiet shutter is great for candids.
Mediocre kit lens; Might be too small for some; No bracketing; Narrow flash coverage; Matrix metering tends to overexpose.