✔Nikon D5600 + Nikon AF-P DX Nikkor 70-300mm F4.5-6.3G ED
✔Sony SLT - A37
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?