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Term - T stops |
| T stops | SWPP and BPPA Photographic Glossary | Wednesday 19th June 2013 |
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T stopsA 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.
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Information provided by: SWPP BPPA SWPP & BPPA, 6 Bath St, Rhyl, LL18 3EB |