The nit (nt) is an informal name for the candela per square metre (cd/m²), the SI unit of luminance. It is commonly used in the display industry to express the brightness of screens. Modern HDR displays can achieve several thousand nits of peak brightness.
Candela/Square Metre
The candela per square metre (cd/m²) is the SI unit of luminance, measuring the luminous intensity per unit area of light travelling in a given direction. It is also known as the nit. It is used to characterise the brightness of display screens and other light sources.
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