Mumbai: Nikon has unveiled its HD-DSLR camera  model- D810, which features a 36.3-megapixel, full-frame FX-format sensor without an optical low pass filter (OLPF) for extreme resolution and staggering dynamic range. Bolstered by Nikon’s EXPEED 4 image processing engine, this camera can be used to capture images during weddings, fashion or landscapes, shooting documentary-style cinema or video for broadcast etc.
The D810 renders every subtle its Multi-Cam 3500-FX AF sensor module that utilizes new AF algorithms for fascinating precision, even in challenging light. The focus system also has 15 cross-type AF sensors for enhanced accuracy, and works with the Advanced Scene Recognition System to provide accurate face detection even through the optical viewfinder. The camera also utilizes 11 cross-type sensors that are fully functional when using compatible NIKKOR lenses and teleconverters (aperture value up to f/8), which is especially useful for wildlife photography. In addition to normal, wide area, face tracking and subject tracking modes, the D810 also features the new Group AF mode for enhanced accuracy, even while tracking subjects.
‘Clarity’ setting has been added to the available Picture Control adjustment parameters, which adjusts mid tones to enhance details within an image. To help preserve the most amount of detail in shadows and highlights, ‘Flat’ Picture Control Profile has also been added to this camera. This Picture Control Profile allows both photographers and filmmakers to get the widest tonal range out of their cameras for maximum flexibility in post processing.
For further customization of Picture Controls, users are now able to make adjustments in .25 step increments for the maximum level of custom color, saturation and brightness levels. Additionally, the D810 employs a new highlight-weighted metering option, which detects the brightness in a scene and determines optimum exposure, preventing blown-out highlights, which is ideal for stage and performance capture.
Nikon’s Advanced Scene Recognition System with the 91,000-pixel 3D Color Matrix Meter III provides balanced exposures in difficult scenes.  Nikon also claims that this camera also analyzes each scene to recognize factors such as colour, brightness and human faces with startling precision to determine what type of subject a user is shooting. The system then compares all the data using an image database to adjust exposure, AF, auto white balance, i-TTL flash control and enhances subject tracking.
Additionally, EXPEED 4 enhances noise reduction performance, and helps to achieve a wider ISO range, from 64 to 12,800, to improve low-noise image capture in a variety of lighting conditions. The ISO range is also expandable from 32 (Lo-1) to 51,200 (Hi-2) letting the photographer shoot with maximum fidelity under studio lighting or confidently capture a faintly-lit wedding reception or other subjects in even the most challenging light.
Inside the durable magnesium alloy structure of the D810 improvements have also been made, including the use of a redesigned mirror sequencer / balancer unit, which minimizes vibration during shooting to increase sharpness during multiple frame bursts. Additionally, the electronic front curtain can now act as an electronic front shutter when using live view or first composing through the optical viewfinder in mirror-up mode. This new feature is useful to attain exacting sharpness when shooting slow-shutter landscapes or astrophotography. The shutter unit has also been tested to 200,000 cycles for years of maximum reliability. For further durability, the body of the D810 has been thoroughly sealed and gasketed to resist the elements, reinforcing this camera’s role in extreme production environments.
For wireless control, the D810 is compatible with a full range of Nikon’s remote systems, including the new wireless remote system with the WR-1 to trigger the camera remotely. This system uses radio frequency rather than infrared, eliminating the need for line of sight communication.
Detailed specifications are given below:
Broadcast quality video:Â Full HD 1920 x 1080 video capture at a variety of frame rates, including 60/30/24p.
Versatile crop modes: FX and DX crop modes give users a telephoto boost when needed, a feature that has been very popular with camera operators because of its added flexibility on set.
Flat Picture Control profile: This neutral color profile is ideal for video and gives the user maximum flexibility in post-production.
HDMI output: The D810Â can relay uncompressed digital video to an external recorder via HDMI, while simultaneously displaying the video on the rear LCD display and external LCD monitor. Operators can now also record both to the internal card (compressed) and to the external recorder (uncompressed) simultaneously.
Smooth in-camera time-lapse and interval timer: Like the Nikon D4S, the D810Â uses an auto-exposure setting to help create super-smooth exposure and tonal transitions for professional results with time-lapse and interval-time shooting.
Audio control: The D810 features a built-in stereo microphone, and an external microphone can also be attached, such as the Nikon ME-1. Additionally, wide and voice frequency ranges are also now available for audio capture.
Expanded ISO for video: The ISO range is expanded for video, now encompassing a clean ISO 64 to a versatile 12,800. The Auto-ISO function is also available while recording to adapt the exposure as the light changes, which can eliminate the need to adjust the aperture (in manual mode, ISO 200- 51,200).
Zebra stripes: A zebra pattern can be displayed during live view, making it easy to spot overexposed areas.
Highlight weighted metering: This new setting helps to prevent blown-out highlights in video. This is especially useful when capturing spot-lit stage performances or shoots with harsh directional lighting.
Full manual control: With the innovative Power Aperture setting, it is simple to adjust the exposure and depth of field on the fly while recording to an external recorder or SD/CF cards. In manual mode, users can also control shutter speed and ISO while recording. Additionally, white balance and   exposure compensation can be adjusted prior to recording.
Full time AF: The Live View AF has been improved, and now provides faster full-time AF (AF-F mode).
NIKKOR lenses: Cinematographers and filmmakers are supported with more than 80 NIKKOR lenses, many of which are a popular choice for cinema applications because of their brilliant optical quality and characteristics.
Nikon D810 HD-SLR camera unveiled
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