A common trope in discussions about cameras on the internet is: “sensor size trumps all”, and as a corollary, “smartphone cameras suck”. Which is obviously false to anyone who has ever taken a good picture on a smartphone (with its tiny sensor). The argument, however, goes like this: Bigger pixels1 can capture a greater dynamic range, and bigger sensors are made from bigger pixels. Therefore, and here is the dangerous leap, cameras with bigger sensors take better pictures. But I curre...