The source of this commercial claims it was recorded September 23, 1974 on VHS tape. I kind of doubt that.

So anyway, anybody know anything about these 3 cameramen?

IMDb has a Mike Keeler that might match.

https://www.imdb.com/name/nm0444522/?ref_=hm_rvi_nm

And a Don Jones...

https://www.imdb.com/name/nm3392024/?ref_=rvi_nm

Just uploaded it, hope it works...

https://archive.org/details/tv-cameramen-rate-rca-xl-100

I'd say more like recorded on U-Matic. As it was available then.