Nikon has announced the D4, a new pro digital SLR that features a 16.16 million image pixel full-frame CMOS image sensor, 10fps top shooting rate (or 11fps with restrictions), a standard ISO range of 100-12,800 (and an extended range of 50-204,800), a revised 51-point AF system capable of autofocusing with f/8 lenses, all-new 91,000-pixel RGB ambient/flash metering sensor, twin memory card slots (CompactFlash and the emerging XQD format), EXPEED 3 image processing, 1080p video capture with audio monitoring and optional uncompressed video export through the HDMI port, built-in Ethernet, a new EN-EL18 battery, in-camera HDR and timelapse creation, all in a dust and weather sealed magnesium alloy body.
