I'm not quite sure what Danny_boy is saying, but it is quite absurd to say that the 1982 VHS is a faithful guage of the quality of seeing the film in theatre, in terms of resolution.

Film and video really have no fixed "resolution" in the sense of how much detail you see. What you really want to be measuring is resolving power. I can transfer a hi-8 home movie upscaled to Blu Ray and it will be 1920x1080, but that measurement doesn't tell me anything about how much detail I can see. In general, a good theatrical print in decent condition should yield the same amount of detail as a middle-of-the-road Blu-ray. The 1982 Star Wars VHS is a horrible guage of seeing a print, it's soft and mushy, there's no fine detail, the colour is washed out, there's tape noise and tape hiss, and the colour space is very narrow.

Also, the 1982 telecine probably just came from a regular print, possibly a low-con one made for video but at that point in time it wasn't unusual to just get a regular print and make a telecine, because VHS back then was so soft you didn't really need to. It may have even been from a 16mm print, as television movies were commonly printed on 16mm back then.

Finally, I'm not sure why you would assume no one would want to see the camera negative, as this is what most restorations are made from, including the 2004/11 version of Star Wars; unless you meant an un-colour-corrected version, as the camera negative is not meant to be seen "raw". But then no print is ever seen raw, IPs and positive release prints are always colour timed when they get transferred.