Is Casey Neistat shooting with the rumored Panasonic GH5s mirrorless camera?

There are several speculations going on online that Casey Neistat is shooting with the rumored Panasonic GH5s mirrorless camera. I already reported that the new GH5s will look very similar to the current GH5 model. Take a look at these pictures and videos and judge for yourself:

chilly commute this morning compliments of @flynyon <— (amazing feed)

A post shared by Casey Neistat (@caseyneistat) on Nov 28, 2017 at 7:56am PST

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A post shared by FlyNYON Helicopter PhotoFlight (@flynyon) on Nov 28, 2017 at 6:47am PST

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A post shared by FlyNYON Helicopter PhotoFlight (@flynyon) on Nov 28, 2017 at 1:34pm PST

Here is another video with a potential spotting of the new Panasonic GH5s camera (at the 4:46 mark):

https://youtu.be/xc_4YIMoOfA?t=4m46s