The Nikon D4S is a
full frame professional
DSLR
A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor.
The reflex des ...
camera announced by
Nikon Corporation on February 25, 2014 to succeed the
D4 as its flagship DSLR.
The D4S offers a number of improvements over its predecessor including a new
image sensor An image sensor or imager is a sensor that detects and conveys information used to form an image. It does so by converting the variable attenuation of light waves (as they refraction, pass through or reflection (physics), reflect off objects) into s ...
, new
image processor
An image processor, also known as an image processing engine, image processing unit (IPU), or image signal processor (ISP), is a type of media processor or specialized digital signal processor (DSP) used for image processing, in digital cameras o ...
, new battery, improved ergonomics and expanded ISO range.
Additionally, improved
auto focus (AF) algorithms and a new AF Tracking mode were introduced together with a new option of
RAW image capture in full resolution (16MP) or a "Small" file (4MP).
In May 2014, the D4S received a
Technical Image Press Association (TIPA) 2014 Award in the category of "Best Digital SLR Professional". In August 2014, the D4S received a
European Imaging and Sound Association (EISA) award in the category "European Professional DSLR Camera 2014-2015".
The D4S was superseded by the
Nikon D5, announced on January 6, 2016.
The D4S was discontinued in December 2016.
Features
While the D4S retains many
features of the Nikon D4, it offers the following new features and improvements:
* Redesigned 16.2-megapixel image sensor with less noise
* New
Expeed 4 image processor
* New Group-area
Autofocus
An autofocus (AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system h ...
mode, allowing five focus points to be grouped for subject tracking
* Exposure smoothing during timelapse recording
* Expanded ISO range of ISO 100–25,600 (boosted range of ISO 50-409,600)
* Gigabit Ethernet port for data transfer and tethered shooting
* Full HD (1920 × 1080) 60p video capture with uncompressed video output via
HDMI
High-Definition Multimedia Interface (HDMI) is a proprietary digital interface used to transmit high-quality video and audio signals between devices. It is commonly used to connect devices such as televisions, computer monitors, projectors, gam ...
* Improved
autofocus
An autofocus (AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. An electronic rangefinder has a display instead of the motor; the adjustment of the optical system h ...
and subject tracking algorithms
* Improved mirror mechanism, increasing continuous shooting speed to 11fps with AF
* Improved EN-EL18a battery with higher capacity for increased battery life of approximately 3000 shots
References
External links
Official Nikon press releaseNikon D4s vs. D4 specifications comparisonNikon D4s user's manual
Nikon
{{Full-frame DSLR cameras
D4S
D4S
Live-preview digital cameras
Cameras introduced in 2014
Full-frame DSLR cameras