
The alternation of darker and lighter periods which can be visually appreciated during projection. In motion projection it is an unwanted periodic variation in luminance of the projected picture.
A sector on a shutter additional to the cover blade, which, by increasing the frequency of cut-off, reduces flicker.
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.