[vimeo]http://vimeo.com/36305675[/vimeo] Above: Joy Ride shot on the Nikon D800 streams in full 1080p so make sure to view full screen! The long rumoured and leaked Nikon D800 was officially announced today. This is Nikon’s equivalent of Canon’s upcoming 5D Mark 3 and is a very attractive camera which brings almost all of the Nikon D4’s pro DSLR features down to $2999 (ÂŁ2399 in the UK) but sacrifices cutting edge low…