✔Canon EOS 5D Mark IV + Canon EF 24-105mm F4L II USM
✔Canon EOS R6 + Canon RF 24-105mm f/4-7.1 IS STM
A phase-detection autofocus system is faster than a contrast detection autofocus system. Even when recording scenes with a lot of fast movements, the videos are sharp and clear.
Has phase-detection autofocus for videos: is this important to you?