What might be the D800 1/8000 for?
It for freezing time! If the light is strong enough for low ISO… if the subject is as thin as a f/2.8 focus plane… then the 1/8000 time option of the D800 let you capture unusual points of view. Like these upside-down single droplets out of a fountain . Click the picture to magnify. Here below the full size picture: find the waterman!