We'd like to use analytics cookies to understand which symbols people look up, so we know what to research next. They are not used for advertising and we set none of them unless you say yes. What we store.
Numbers printed along the perforations.
Also known as: Key code, Latent edge numbering, Footage number
The identifying numbers and symbols exposed along the edge of a film stock during manufacture.
Identify the stock, the manufacturing batch and the position along the roll.
Contexts: Technical drawing, Public information
Exposed latently during manufacture and invisible until development, so the identification is present on every frame of a roll before anything is shot on it.
Contexts: Technical drawing, Public information
Let a cut negative be matched back to an edit made on a copy, which is the mechanism the entire pre-digital post-production workflow depended on.
Contexts: Technical drawing, Public information
Numerals and small figures printed in a line at regular intervals along the film edge outside the image area, appearing only when the film is developed.