Is this the upcoming Nikon Zf camera?
The pictures are blurry and this could be any old film camera, but this channel (Links TV) has produced several videos for the Nikon Z8 launch a few months ago, so for them to have early access to the Nikon Zf is plausible:
Here is the actual video (starting at the 1:58 mark):
Updated rumored Nikon Zf full-frame retro mirrorless camera specifications
Join the Nikon Zf Facebook Group.