Term - T stops
|T stops||SWPP Photographic Glossary|
Sunday 15th September 2019
A more accurate measurement of light entering a lens than "f" numbers. Whereas "f" numbers represent the ratio between measured diameter and focal length, "t" stops are based on actual light transmission at different diameters.
Information provided by: SWPP
SWPP, 6 Bath St, Rhyl, LL18 3EB