Editing 70 mm film (section)

===Panavision and the 65/70 mm format===
{{main|Super Panavision 70|Ultra Panavision 70}}
Panavision developed their own 65/70&nbsp;mm system that was technically compatible and virtually identical to Todd-AO.  Monikered as [[Super Panavision 70]], it used spherical lenses and the same 2.2:1 aspect ratio at 24 frames per second. Panavision also had another 65&nbsp;mm system, [[Ultra Panavision 70]], which sprang from the [[MGM Camera 65]] system they helped develop for MGM that was used to film ''[[Raintree County (film)|Raintree County]]'' and ''[[Ben-Hur (1959 film)|Ben-Hur]]''.  Both Ultra Panavision 70 and MGM Camera 65 employed an anamorphic lens with a 1.25x squeeze on a 65&nbsp;mm negative (as opposed to 35&nbsp;mm [[CinemaScope]] which used a 2× compression, or 8-perf, horizontally filmed 35&nbsp;mm [[Technirama]] which used a 1.5× compression).  When projected on a 70&nbsp;mm print, a 1.25× anamorphic projection lens was used to decompress the image to an aspect ratio of 2.76:1, one of the widest ever used in commercial cinema.