Nikon D4S a real full-frame cameras that designed for professional photographers with great features and superior FX-format CMOS sensor.
If you're looking for a professional camera with a high level of innovation, the Nikon D4S could be a serious answer to your needs. Designed for those who always wants the best, the D4S guarantees exceptional images at speeds just incredible. Wow.
The D4S is powered with superior FX-format CMOS sensor with 16.2 effective megapixels and EXPEED 4 image-processing engine that empowers you to capture full-frame images with superior quality that’s second to none. This camera is the main competitor for the Canon 1DX, Sony A7S or 645Z Pentax and Panasonic DMC-GH4.
The Nikon D4S also great to make video clip or new movie, because you can record Full HD (1080p) at 50p/60p. You can also access the range from ISO 200 ISO and higher during the shooting, control the shutter speed, and aperture. The D4s can now adjust audio volume as it records. The Nikon D4S uses a recording format of 60/50p that delivers fluid subject movement and smooth changes in exposure, even when the brightness of the scene changes dramatically. Choose from three image area options – FX-based movie format, DX-based movie format, and the 1920 x 1080 crop.
According to dpreview.com, the biggest news, in terms of autofocus, is the D4s' ability to continuously focus at the camera's highest frame rate (a feature limited to 10fps on the D4). The D4S is designed with a plethora of AF options to deliver high-performance autofocusing even under extreme conditions. Nikon D4S is equipped with 51 focus points. The D4S guarantees acquisitions and improved tracking. Shutter speeds up to 11 fps in FX with AE / AF than the previous model, Nikon D4. The RAW file format Nikon S offers a faster transfer of images over the network, while the Gigabit Ethernet port 100 / 1000TX provides ultra-fast connection.
Nikon D4s key specs:
'Newly designed' 16 megapixel full-frame CMOS sensor
Expeed 4 processing
1080/60p video for up to 10 mins at 42Mbps or 20 mins at 24Mbps
Smoother transitions when shooting interval or time-lapse stills/movies
ISO 100-25,600 (expandable to ISO 50 - 409,600 equiv)
51-point autofocus system (same as Nikon D4)
Group Area AF allows for more accurate subject tracking with less 'distraction'
11 fps continuous shooting with continuous AE/AF
New 'small' Raw size (approx. 8 megapixel)
CompactFlash and XQD card slots
Gigabit Ethernet port, in addition to support for WT-5A wireless transmitter
EN-EL18a battery provides 3020 shots per charge (CIPA)
Nikon also claimed that the D4S is designed with a plethora of AF options to deliver high-performance autofocusing even under extreme conditions. With 51 focus points, it is capable of tracking the subject throughout the frame, letting you refocus and lock on your subject quickly, even if the focus was initially on the background.
Nikon D4S is designed to be able to adapt to various situations and conditions, wherever you bring it, in any weather. Protected by the machine body made entirely of metal able to withstand any climatic condition, the reliable and robust D4S is able to offer absolute level of performance in the most critical environmental conditions.
With all the features that you can see the specifications as mentioned above, besides the D4S has a strong body and is designed to be ready in a variety of conditions and any environment, so if you're surfing or hunting photos in Africa, Australia or when you adventure to Bali or Nepal, then the Nikon D4S is a friend who is apt to make great photographs, and can you trust to make a video or a film that will make your friends fascinated.
However, life is a choice, so you can compare the D4S with the Canon 1DX, Sony sony A7S or Pentax 645Z and Panasonic DMC-GH4. Maximize search engine Google to make you more confident, before you make a decision.