BS 5550-6.5:1984

This standard BS 5550-6.5:1984 Cinematography. Television usage is classified in these ICS categories:

• 37.060.10 Motion picture equipment

1.1 This International Standard lays down the necessary conditions for the colour and luminance of open gate screen illumination and colour and luminance of the surround illumination.

It also specifies the relative size of the surround and screen, and the level of ambient illumination to permit critical evaluation of colour balance and contrast of films intended for television use.

1.2 This International Standard also recommends viewing conditions for review rooms for large audiences.