The new Nikon D4 has many features include the all new full frame sensor. It is capable of shooting at 10 frames per second with full auto focus. In addition the D4 also becomes the first camera to make use of the XQD memory card format. This is a new format of memory card that allows for extremely fast write speeds. So D4 can shoot 105 RAW files at full 11fps without stopping. An also it has 3.2-inch LCD on the back that will help when recording full HD videos at 30fps. The D4 will also be able to take stills at full 16.2MP resolution at up to 11fps.
The D4 is designed for crisp stereo recording with a built-in external stereo microphone connector. Attach the compact Stereo Microphone ME-1 to record clear sound while significantly reducing mechanical noise. An external headphone connector enables use of headphones to effectively monitor and control audio in isolation. The indicators offer visual confirmation of audio level and the microphone sensitivity can be precisely controlled in 20 incremental steps.
Some important features
• Max resolution - 4928 x 3280
• Effective pixels - 16.2 megapixels
• Sensor photo detectors - 16.6 megapixels
• Digital zoom - No
• Manual focus - Yes
• Screen size - 3.2"
• File format - NEF, NEF + JPEG, TIFF, JPEG
• Video Format - MPEG-4, H.264
• Max video resolutions - 1920 x 1080
Source: nikon.com