BS 5550-7.2.3:1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Cinematography. Production and presentation. Screens and screen luminance Specification for screen luminance for the projection of 35 mm film on matt and directional screens
Hardcopy , PDF
31-05-1991
English
01-08-1978
Maximum and minimum luminance at centre and sides of screen, for black-and-white and colour films. Conditions of measurement, test positions in auditorium for directional screens, type of photometer. Investigations to establish optimum luminance values for satisfactory projection appended.
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