two memory positions for the focus and zoom points on the lens. one memory would be set for the 16:9 image and the second one would be for the 2.39:1 image – which requires a different zoom position on the lens and a new focus setting as well as some lens shift too. in the above image, the item on the left is the film as seen on the disc in all its 810 line glory and how it would look on 16:9 screens everywhere. on the right is a 2.39:1 screen and you just see a bit of it peaking out on the left side. to make this film 