googling it looks surprisingly affordable
$1200
with this eyepiece https://www.amazon.com/Tele-Vue-Ethos-Eyepiece-Degree/dp/B000WYVG34
about 2k investment, which all things considered isn't bad
He said: > I'm the guy in the video, and it is indeed the Skywatcher 12" collapsible Dobsonian. This looks like an expensive piece of equipment, but I actually bought it off Amazon for a seven hundred dollars (on sale). > > The eyepiece, however, is where the magic/magnification happens... that's a Televue 13mm Ethos designed by Al Nagler, and provides viewers with 100 degrees of apparent field of view. This means when you lean in, the black circle around your image nearly disappears into your periphery, leaving you feeling like you're floating in space.
It looks like that eyepiece is going for $628 on Amazon.