Here is a first movie, made in the Time Lapse mode that the D800 offers, a movie created by Nikon. The D800 has a really powerful video mode, exactly as powerful as the D4 video mode and that was a surprise (with uncompressed video HDMI output). The time lapse mode is neat because you don’t have to do anything : he D800 takes the still images at the rate you have entered and then compute these frames into a video.
Here is the first time lapse video sample of the D800 Nikon has sent me :
OK, it is pretty basic… could have done better, like this Yosemite time lapse video for instance.