Curious error on the A9 unveils 8k recording menu option

An early tester of the new Sony A9 sent me this:

Today I had the opportunity take a sneak peek at the Sony A9, and while checking the menu there’s a 8K VIDEO option but it’s disabled in the camera, when I asked more about this option the Sony representative took the camera away and noted that it could have been a pre-production error.

Of course the Sony A9 is not capable to record 8K because that would require at least a 33 megapixel sensor. But we know the new menu is going to be used in all future A7 and A9 cameras. So it might be that the A7sIII or A7rIII will have a 33MP sensor with 8K recording? My bet is that the A7rIII would be perfectly suited for such an option. That said I doubt we really need 8K video yet!

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Sony A9:
Sony A9 at BHphoto, Adorama, Amazon, BestBuy. FocusCamera. Calumet.de. Park UK. Wex UK. Jessops.
Sony A9 with Grip Extension Kit at BHphoto, Adorama and Amazon.
Note: US readers preordering the A9 at BHphoto or Adorama using our links (and our affiliated links only!) have a chance to win a Sony A9.

100-400mm GM:
Sony 100-400mm GM at BHphoto, Amazon, Adorama, BestBuy. Calumet.de. Park UK. Wex UK. Jessops.

Sony A9 accessories:
Sony A9 battery grip at Adorama, Bhphoto, Amazon. Wex UK. Jessops.
Sony A9 Glass screen protector at Adorama, BHphoto, Amazon.
NP-FZ100 battery for the A9 at Adorama, BHphoto, Amazon. Jessops.
GP-EX1 grip at Adorama, BHphoto, Amazon. Wex UK.
FDA-EP18 eye cup at Adorama, BHphoto.
MQZ1 multi battery charger at Adorama, BHphoto, Amazon. Wex UK.
BCQZ1 Z-series Battery Charger at Adorama, BHphoto, Amazon.