Canon, Nikon and Sony have always been at each others' throats when it comes to full frame DSLRs; but only recently did Pentax also finally step into the game. The Canon 5D Mk IV, Pentax K-1, Nikon D810 and the Sony a99 II are all fantastic cameras.
They perform well on their own accord and we tried to figure out which one is the best of the bunch. . thephoblographer.com