ANSI PH2.40-1985
Photography (Film) - Root Mean Square (rms) Granularity of Film (Images on One Side Only) - Method for Measuring

Standard No.

ANSI PH2.40-1985

Release Date

1985

Published By

American National Standards Institute （ANSI)

Latest

ANSI PH2.40-1985

Scope

Describes a method for the determintation of the granularity of photographic films by scanning with a suitable microdemsitometer. Both continuous-tone black-and-white and color material on a transmitting support may be measured by the procedures described.

ANSI PH2.40-1985 history

• 1985 ANSI PH2.40-1985 Photography (Film) - Root Mean Square (rms) Granularity of Film (Images on One Side Only) - Method for Measuring