Past a certain price point, kit from any brand delivers photos and photographic performance that one would have a hard time finding technically wrong or inferior to that of another brand. So by all accounts, we should see a lot of variety in the cameras and lenses that are used professionally.
However, take a look at articles like this[0] to see just how prevalent Canon gear is at professional events. Apparently, they even have relations with a lot of press outfits to have them exclusively shoot with their equipment.
However, take a look at articles like this[0] to see just how prevalent Canon gear is at professional events. Apparently, they even have relations with a lot of press outfits to have them exclusively shoot with their equipment.
[0]: https://www.shutterbug.com/content/battle-canon-vs-nikon-sup...