High Quality Content by WIKIPEDIA articles! The Nikon 1 series are high-speed mirrorless interchangeable-lens cameras featuring Nikon 1 mount lenses, announced on 21 September 2011. The series currently includes Nikon 1 V1, Nikon 1 J1, Nikon 1 J2 and the Nikon 1 V2 with a new 14 megapixel image sensor and further increased autofocus speed to 15 frames per second (fps).