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.
J1 test data on DxO Mark X10 test data on DxO MarkReally solid body littered with external controls feels like a camera should; Very bright zoom lens; Clever EXR modes; Raw support.
White orb problem; EV dial difficult to turn; Below average battery life; Shallow buffers; Occasional demosaicing errors.
Very small body, with solid feel; Fast AF; No-nonsense interface. Excellent video capture, Good picture quality.
Body could be smaller for sensor size; High ISO isn't as good as other compact system cameras; Battery life below average; Weak flash; Confusing controls.
