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Photography -- Black-and-white continuous-tone papers -- Determination of ISO speed and ISO range for printing
Pertains to all conventional silver-halide contact and enlarging papers used for continuous-tone or pictorial photography.
The method is based on exposing and processing samples, performing density measurements from the resultant image to produce a sensitometric curve from which measurements are taken and used to determine ISO speed and ISO range values.
Annexes A to C deal with the relationships between:
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