The image processorExpeed 3A, a successor to the Expeed 3 used in the former Nikon 1 series cameras, features a new (according to Nikon) image-processing engine with increased speed of up to 850 megapixels per second. It is developed exclusively for Nikon 1 cameras.
It is the successor of the Nikon 1 V1 and succeeded by the Nikon 1 V3. Nikon 1 V3 use 18.4MP sensor, built-in Wifi, Full HD 60p, 720p up to 120fps, 20fps continuous AF as the fastest in MILC category, has 171 focus points which Nikon itself claims better than DSLR to track moving object.
With the launch of the new camera, comes a number of improvements in features from the Nikon 1 V1. The improved sensor and processor have taken the pixels up to 14 megapixels, compared to the previous 10.1 megapixels with V1. Other improvements include a low light boost, faster action capture and improved lens selection.