Nikon D4s is a new expert digital SLR camera with a newly designed 16.2 megapixel FX sensor, new EXPEED 4 processing engine, Multi-CAM 3500FX auto-focus module, a 91,000-pixel RGB metering sensor and a weather-sealed magnesium alloy body.

Key upgrades include an expanded ISO range of 100–25600 which is extendable down to 50 and up to an industry-leading 409600 (equivalent), improved AF acquisition with the new Group Area AF mode, 30% faster processing times, ‘Raw Size S’ alternative for extended continuous raw shooting and accelerated image transfer, new shutter and mirror mechanism to help reduce reflect bounce, larger buffer capacity for JPEG and RAW files, and 1080/60p/50p Full HD films with full control over gain, shutter speed, aperture and audio levels.

The Nikon D4s comes with microphone and headphone jacks and an HDMI port that allows for the streaming of uncompressed video to an exterior recorder or monitor.

Other highlights include a Kevlar reinforced shutter rated for 400,000 actuations, the capacity to shoot full-resolution stills at up to 11fps, dual CF and XQD memory card slots, two ergonomically positioned rear joysticks for quick AF point selection, two specific LiveView capture modes, in-camera HDR exposure blending, a user configurable Exposure Delay Mode, a dual-axis Virtual Horizon and a 3.2” rear display.

Nikon D4S
Nikon D4S

The D4s is a fantastically crafted marvel of balanced, insightful design, cutting edge technology and precise engineering.
Nikon D4S For a high-end professional photographer, the performance of the  D4s is the very best that Nikon has delivered yet. In terms of low light high ISO capabitites, it beats every other DSLR around. It can shoot at 11 fps with full autofocus and auto exposure, coupled with tracking of moving subjects. The build is exceptional and it is supported by a range of excellent optics.