The Nikon D810 DSLR Camera body takes its place as the high resolution option in the Nikon DSLR lineup. It features a 36.3MP FX-format CMOS sensor without an optical low pass filter for particularly sharp and detailed still imaging. With the addition of the EXPEED 4 Image Processor, performance speed is increased compared to the EXPEED 3 and noise is effectively reduced throughout the ISO range. Continuous shooting speed in FX format is 5 fps and in DX format hits a maximum of 7 fps. In addition, the full HD video capabilities of the D810 have been upgraded to include 1080p capture at 24, 30 and 60 fps. Also, the improved efficiency of the processor enables up to 1200 shots on one battery charge and 40 minutes of video recording. Low light performance has been upgraded thanks to a wide native sensitivity range that runs from ISO 64 to 12800 and can be expanded from ISO 32 to 51200.

The advanced Multi-CAM 3500FX autofocus sensor offers 51 AF points with 15 cross-type sensors and Group Area AF enables five AF sensors to be used as one group. This is useful when shooting subjects that cannot be tracked easily by one AF point due to lighting conditions.

As a camera optimized for video capture, the D810 features recording in both FX and DX formats including simultaneous recording to memory cards and an external recorder as well as recording 60p output to an external recorder. The sensitivity range for video has also been expanded to run from ISO 64 to 12800 and expand to ISO 51200. Automatic ISO adjustment in manual mode enables smooth exposure transitions. A built-in stereo microphone is supported as are jacks for an external mic and headphones. A selectable audio frequency range provides exacting control over sound recording.