Despite the "1080p" label, many unofficial files are highly compressed, leading to motion blur and "banding" in dark scenes—ruining the film's dark, atmospheric aesthetic.
You do not have to resort to piracy. Here is how to get the same (or better) quality legally: Black Swan 1080p Bluray Downloadl
To get the true 1080p Blu-ray experience without the risks, consider these options: Despite the "1080p" label, many unofficial files are