 The image processor Expeed 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.The Nikon 1 V2 succeeds the Nikon 1 V1 and is succeeded by the Nikon 1 V3.