LCD and Viewfinder
Nikon D4 has a Fixed Type 3.2" LCD screen with a resolution of 921k dots. The Nikon D4's 3.2" screen is larger than average and its resolution is up to the class standarts.
D4 has a built-in Optical (pentaprism) viewfinder. The viewfinder has a coverage of 100% and a magnification ratio of 0.7x. 100% coverage ensures that what you see in the viewfinder while shooting matches exactly what you will get later in your image, helping accurate framing your shots and minimizes the need for cropping images later.
Max Shutter speed
Nikon D4 can shoot continuously at max speed of 11 fps
and has max shutter speed of 1/8000 sec
Unfortunately D4 doesn't have a built-in flash but it has a flash shoe for mounting external flashes.
Nikon D4 features a Phase Detection autofocusing system. The AF system has 51 focus points and 15 of these sensors are of Cross-type. Cross-type sensors locks focus faster and more accurate compared to single type sensors.
With Nikon D4, you can record your videos at a highest resolution of 1920 x 1080 at 30,25,24 fps and save in MPEG-4 and H.264 formats. Full HD resolution of Nikon D4 will be adequate in most of the situations. But if you are after the highest resolution videos available, see our list of Top Cameras with 4K (Ultra-HD) Video
D4 has a built-in Mono microphone and a Mono speaker. Nikon D4 also has a port for an external microphone and a headphone port for connecting external headphones which make Nikon D4 a very suitable camera high quality videography.
Connectivity and Storage
You can connect D4 to compatible devices via its HDMI port or USB 2.0 (480 Mbit/sec) port.
Nikon D4 is powered by battery which provides a shooting life of 2600 according to CIPA standards.
Considering that the average battery life of DSLR type cameras is 929 shots, Nikon D4 has a good battery life for its class.
Battery Life Comparison in Pro DSLR Cameras
Nikon D3X with its 4400shots is the model with longest battery life among Pro DSLR cameras. Check the comparison of Nikon D4 vs Nikon D3X or take a look at Longest Battery Life DSLR cameras list.
Nikon D4 Features Compared to Main Competitors
You can download Nikon D4's User Manual here