the film was shot in madrid, in black and white super 8, with a 4:3 aspect ratio, as much for budgetary as for aesthetic reasons. chillon had worked with 16mm and super 16 as a student at solent university, southampton, but they were too expensive; he and fuentes began investigating super 8, wondering why it was no longer used professionally, and discovered friends from solent university had worked with it, and lent them a sankyo 320xl camera, which they thought looked like a "toy" when they first saw it; chillon said jokingly it is the worst camera in the world, but he and fuentes would not change it once they saw what it could do.