re: Question about Nikon Cameras

There’s no perfect camera for everything. “Higher end” cameras don’t tail off at 20mp. Someone in the market for a D6 is probably using it for sports. 12-15 frames a second isn’t conducive to huge raw files. Commercial photographers step up to medium format which moves you into the 50-150mp range....but then those are hamstrung by frame rates, autofocus and low light capabilities.