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BSI BS ISO 6846:1992

Photography. Black and white continuous tone papers. Determination of ISO speed and ISO range for printing
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BSI BS ISO 6846:1992

Photography. Black and white continuous tone papers. Determination of ISO speed and ISO range for printing

PUBLISH DATE 1995
BSI BS ISO 6846:1992

This International Standard specifies the method for determining the ISO speed and ISO range of black-and-white photographic papers used to make positive reflection prints of continuous-tone subjects from black-and-white film negatives. It pertains to all conventional silver-halide contact and enlarging papers used for continuous-tone or pictorial photography. This includes papers with variable contrast. The papers may be processed in conventional chemicals and equipment, but also using special procedures such as those involving activators or heat for development.

This International Standard does not apply to:

  1. non-silver papers;

  2. high contrast silver papers, such as those used in the graphic arts, or other non-pictorial applications;

  3. silver papers used to obtain a direct positive or reversal image.

SDO BSI: British Standards Institution
Document Number ISO 6846
Publication Date Dec. 15, 1995
Language en - English
Page Count
Revision Level
Supercedes
Committee CPW/42
Publish Date Document Id Type View
Dec. 15, 1995 BS ISO 6846:1992 Revision