Speed

The inherent sensitivity of an emulsion to light. Represented by a number derived from a film’s characteristic curve. Systems include Exposure Index, ASA, DIN, and ISO.

The National Film and Sound Archive of Australia acknowledges Australia’s Aboriginal and Torres Strait Islander peoples as the Traditional Custodians of the land on which we work and live and gives respect to their Elders both past and present.

Enter the NFSA Our Statement of Reflection