Diference between T stop and F stop on lens.

in #photography7 years ago (edited)

Today i'm gonna show you guys the diference between those numbers that can be a little complicated.

First: i want to talk about T stop, that represents TRANSMISSION.
Transmission, means how much light come in to the sensor!

Found on the most part in Cine lenses, like that:

F stop in other way, is a mathematic count that represents how bokeh this lens produces.
Is relation between focal distance and aperture of lens diaphragm.

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Here, the same lens with T stop and F stop different: F/2.8 and T-stop 3.3
Captura de Tela 2017-09-12 às 09.33.26.png

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