Sony a7 III vs. Canon EOS R vs. Nikon Z6, which is best?

Introduction Sony had the full-frame mirrorless market to itself for nearly five years. And, while it's been doing clever and interesting things with the likes of the a9, it's the more basic a7 models that have had the most impact. The original a7 was the least-expensive full-frame camera yet launched, which helped make the format look more accessible than it had been since the film era. They're all good cameras but there are practical differences But it's no longer alone, with...