The Murnau Foundation put a ton of work into piecing the film back together. Then they had to go and blow two years of work by “restoring” it.
Editing errors
Carmen was reconstructed from multiple prints. Many, many gaps were filled in from lesser sources, often no more than a few frames. However, the technicians were a little sloppy, repeating frames they already had, resulting in added stutter, microloops, and reduced picture quality.
In this sample, the technicians appended three frames to the end of the shot. Two of the frames were already present, resulting in a microloop:
