Term - Characteristic curve
|Characteristic curve||SWPP and BPPA Photographic Glossary|
Wednesday 26th November 2014
A graph used to show a film emulsion or developer's restrictions of tonal reproduction, relative speed and fog level performance graph showing the relationship between exposure and density under known developing conditions. It can provide immediate comparative information on factors such as emulsion speed, fog level, and contrast effect. The study of photographic chemicals in this way is known as sensitometry.
Information provided by: SWPP BPPA
SWPP & BPPA, 6 Bath St, Rhyl, LL18 3EB