LCD and Viewfinder
Nikon D4s has a Fixed Type 3.2″ LCD screen with a resolution of 921k dots. The Nikon D4s's 3.2″ screen is larger than average and its resolution is up to the class standarts.
D4s has a built-in Optical (pentaprism) viewfinder.
The viewfinder has a coverage of 100% and a magnification ratio of 0.7×
Nikon D4s can shoot continuously at max speed of 11 fps and has max shutter speed of 1/8000 sec . Unfortunately D4s doesn't have a built-in flash but there is a port for mounting external flashes.
Nikon D4s features both Contrast Detection and Phase Detection autofocus (AF) systems which ensures speed and accuracy of focusing in most situations. The AF system has 51 focus points and 15 of these sensors are of Cross-type.
With Nikon D4s, you can record your videos at a highest resolution of 1920 x 1080 at 60,50,30,25,24 fps with bit rates up to 42 Mbps and save in MPEG-4 and H.264 formats. Full HD resolution of Nikon D4s 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.D4s has a built-in Mono microphone and a Mono speaker. Nikon D4s also has a port for an external microphone and a headphone port for connecting external headphones which make Nikon D4s a very suitable camera high quality videography.
Connectivity and Storage
You can connect your camera to other devices through HDMI port or via USB 2.0 (480 Mbit/sec) port.
Nikon D4s is powered by EN-EL18a battery which provides a shooting life of 3020 according to CIPA standards.
Considering that the average battery life of DSLR type cameras is 880 shots, Nikon D4s has a good battery life for its class.
Battery Life Comparison in Pro DSLR Cameras
You can download Nikon D4s's User Manual here
Current Lowest price for Nikon D4s is $5,499.00