T-number


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T-number

or

T number

n
(Photography) photog a function of the f-number of a camera lens that takes into account the amount of light actually transmitted by the lens
[from T(otal Light Transmission) Number]
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References in periodicals archive ?
For added convenience, videographers can control many of the features of the lens in a variety of ways through the EF-mount communication, including Dual Pixel CMOS AF, push auto iris, record start and stop and remote lens control via the camera with an optional remote control, compensation for chromatic aberration (when paired with the EOS C300 Mark II Cinema Camera), metadata acquisition, and selection of T-number display.
Usually, a cyclone will exhibit a growth rate of 1 T-number per day.
This structural evolution along with pressure and wind speed data allowed for tracking a T-number sequence (Table 1).