Friday, January 6, 2012
Features include a new 16.2-megapixel FX-format CMOS sensor
The Advanced Multi-Cam 3500 AF autofocus system is the next generation of Nikon's proven 51-point AF system. The fully customizable system offers users the ability to capture fast moving subjects and track focus with precision or select a single AF point with pinpoint accuracy. The Nikon D4 D-SLR aligns 15 cross-type sensors in the center to detect contrast data in both vertical and horizontal planes. In addition to detecting each AF-NIKKOR lens with an aperture of f/5.6 or lower, the camera also utilizes nine cross-type sensors that are fully functional when using compatible NIKKOR lenses and TC14E or TC17E teleconverters or a single cross-type sensor when using compatible NIKKOR lenses and the TC20E teleconverter with an aperture value up to f/8, which is a great advantage to those shooting sports and wildlife. For maximum versatility in situations such as photographing nature from afar or competition from the sidelines, photographers are also able to select multiple AF modes, including normal, wide area, face tracking and subject tracking, to best suit the scene.
The Nikon D4 D-SLR also employs a new 91,000-pixel RGB 3D Color Matrix metering system that meticulously analyzes each scene and recognizes factors such as color and brightness with unprecedented precision. This data is then interpreted and compared against D4's on-board database to implement various settings, resulting in vibrant images with faithful color reproduction and balanced exposure. In addition, this new AF sensor now has the ability to detect up to 16 human faces with startling accuracy, even when shooting through the optical viewfinder, allowing for correct exposure even when the subject is backlit. Additionally, to capture every brief moment from a bouquet toss to a photo finish under nearly any condition, the 51 focus points deliver fast and accurate detection down to a -2 EV with every AF-NIKKOR lens.
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