footlambert
/ˈfʊtˌlæmbərt/
noun
- A unit of luminance equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square foot.
- A typical movie theater projector produces about 14 footlamberts.
- The engineer adjusted the display to output 30 footlamberts for optimal viewing.
- The screen's brightness was measured at 50 footlamberts.