List of 65/70mm films on 4K UHD

[moreorless]

Originally Posted by PeterTHX

70MM blow-up (which these days some would call an upconvert). Back then the only way to add a magnetic 6-track soundtrack to a film release print. 70MM prints also had better quality control and projection equipment and played in the largest theaters so they were *the* way to see a movie back in the day.

They would I spose have also benefited from the fact that at least one generation of their transfers would have been done in 70mm as well which would introduce less extra grain and potentially retain more detail generally.