What is the most impressive known feature of the EOS-1D X Mark III for you?

Image
325 votes
Mechanical 16 fps
15%
508 votes
155 Cross-type AF Points
23%
402 votes
5.4K RAW Internal Video Recording
18%
291 votes
1000+ Shot RAW Buffer
13%
342 votes
Backlit Buttons!
15%
347 votes
4K 60p with 10-bit 4:2:2 Canon Log
16%