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Densitometer
A densitometer is an instrument for measuring the darkness, or light-stopping power, of exposed and processed photographic material – i.e. its density.
Reflection
Densitometers measure light reflected from a surface such as a paper print, while
Transmission
densitometers measure transparent materials such as motion picture film.
Most modern densitometers measure the density by means of a photoelectric device and use electronic intergrated circuitry to measure and display the density values directly.
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.