In photography, reversal film is a type of photographic film thats produces a positive image on a transparent base. The film is processed to produce transparencies or diapositives (abbreviated as "diafilm" in many countries) instead of negatives and prints. Reversal film is produced in various sizes, from 35 mm roll film to 8×10 inch sheet film.

Reversal is a 2001 movie about a high school wrestler, directed by Jimi Petulla. The movie, starring Danny Mousetis, chronicles the struggle of Leo Leone as he strives for the Pennsylvania state title and his dad's affection. Coached by his father, Edward Leone (played by Jimi Petulla), he is constantly pushed towards this goal. He is forced to decide between the approval of his father or his own wishes as he feels the strain from years of training and making weight. The movie never made it to the mainstream public, however received vocal support from many leaders in the wrestling community such as Cael Sanderson and Kurt Angle.