Featuring a new horizontal swing, vari-angle monitor, full-HD movie recording and Nikon's easy-to-use entry-level menu for easy photography from more angles. 1. A high-resolution Nikon DX-format CMOS image sensor with an effective pixel count of 16.2-million pixels, an image-processing engine that provides superior image quality and rich expression of tones, and the new High Dynamic Range (HDR) function The D5100 is equipped with the same DX-format CMOS image sensor and EXPEED 2 image-processing engine as the high-end D7000 digital-SLR camera. These features enable capture of high-resolution images with excellent expression of tones. With standard sensitivity settings of ISO 100 - 6400 and additional increases up to Hi 2 (ISO 25600 equivalent), the camera offers improved capability with shooting under dim lighting, such as in the evening or indoors, and also produces better results with capture of rapidly moving subjects. The High Dynamic Range (HDR) functi
