The Coolpix S4 is a bran of digital camera produced by Nikon. Its image sensor is a CCD with 6.0 million pixels. It has a 2.5-inch thin-film transistor liquid crystal display device with 110,000 pixels. The S4 incorporates Nikon’s popular swivel design which allows the addition of a powerful Nikkor 10X Optical zoom lens, yet retain a compact form. Other features include D-Lighting and Face-priority AF.