NOMBRE | relation | número de foco, razón focal, velocidad | the ratio of the focal length to the diameter of a (camera / camera) lens system |
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Sentido | The ratio of the focal length to the diameter of a (camera / camera) lens system. | |
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Sinónimos | razón focal, velocidad | |
General | cociente, índice, proporción, ratio, razón aritmética, razón, relación | The relative magnitudes of two quantities (usually expressed as a quotient) |
Inglés | focal ratio, f number, stop number, speed |
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