Director Danny Boyle and cinematographer Anthony Dod Mantle made the radical decision to shoot roughly 85% of the movie on the , a consumer-grade Standard Definition (SD) digital video camera. They did this for practical and aesthetic reasons:
For digital collectors and film enthusiasts, the format is highly sought after for several reasons, balancing fidelity with accessibility. 28.Days.Later.2002.720p.BluRay.x264-Pahe.in.mkv
The specific file you mentioned, 28.Days.Later.2002.720p.BluRay.x264-Pahe.in.mkv , is a compressed "encode" typically found on community-driven sites. Director Danny Boyle and cinematographer Anthony Dod Mantle