Nikon's compact system camera (CSC) line-up seemed to start well when the Nikon 1 J1 and Nikon V1 were first announced back in September 2011. But after an initial flurry of impressive sales reports, the market seemed to lose interest. However, the changes brought by the latest introduction, the Nikon 1 J5, could see renewed interest from Nikon SLR lovers looking for a smaller alternative. With its new 20.8 million pixel CX-format (one-inch) sensor, the J5 has the highest resolution of any Nikon 1 camera yet. What's more, the new sensor is backside illuminated, which means that the circuitry is out of the way of the light receptors, allowing them to be larger than they would otherwise be. This should be good news for low light performance. Additionally, as with previous Nikon 1 cameras, the sensor has no anti-aliasing filter, which should make it good at resolving fine detail.A new Expeed 5A processing engine makes the J5 faster, as well as enabling more movie options (the Nikon J4 and Nikon V3 use Expeed 4A).