Edge code
Appearance
An edge number is a number printed on film for identification or information purposes. There are three types of edge numbering:
- Latent image edge numbering - applied by the film manufacturer and visible only on processed film
- Visible ink image edge numbering - applied by the film manufacturer and visible on raw stock and processed film
- Laboratory image edge numbering - applied by the laboratory after film processing.
Edge number is also known as edge code, code number, footage number, negative number, ink number, key number or Key Kode,