I had a VHS version of the movie Metropolis (1926). Easy to see it was choppy, jumpy, etc. But still viewable to an extent.
Got the restored version on DVD, and what a difference. From what I understand it was restored frame by frame. The jitters where gone, the cracks, and hairs, and spots of air bubbles, etc. Incredible difference.
Restoring those old films can be done, and can be done in HD. Even back then film probably had 4000 lines of measurable resolution because film is so fine.
In my opinion, watching it in 1080p doesn't do the movies justice.
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