Definition of reversal film in English:

reversal film

noun

Photography
  • [mass noun] Film that gives a positive image directly when processed, used chiefly for making transparencies.

    • ‘This two-step process does take more time than using a direct reversal film such as Kodak SO-132.’
    • ‘Since Gallo, in true art auteur fashion, decides to use reversal film stock to shoot the film, there is only so much they can do.’
    • ‘Photographs were taken on 35-mm ISO 400 reversal film (Fujichrome Provia 400F).’