Focus (1970)

Eun-ho, a photographer, acquires a used camera, only to discover a ghost appearing in his photos and reality. As the camera behaves erratically, he experiences terrifying hallucinations, ruining his relationship and jeopardizing his career. Seeking help, he turns to Gwang-myeong, a forensic hypnosis expert, to uncover the camera’s secrets and perform an exorcism.