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Glite Dictionary
ft-L

ft-L

9.9
A unit for measuring how bright a surface is
  • noun
  • Archaic
translation icon : pie-lambert
  • The brightness of the screen was measured at 12 ft-L.

Examples

  • Modern cinemas often display films at about 14 foot-lamberts for optimal viewing.

  • He converted the reading from ft-L to candelas per square meter for the report.

  • The light measured ft-L.

  • Wow! This room has 200 ft-L!

  • The brightness of the screen was measured at 12 ft-L.

  • He converted the reading from ft-L to candelas per square meter for the report.

  • Modern cinemas often display films at about 14 ft-L for optimal viewing.

Synonyms

foot-lambert
vsft-L
  • Archaic
9.9

A unit for measuring how bright a surface like a screen is per square foot

is the same measure but presented as an abbreviation
luminance unit
vsft-L
  • Specialized
7.2

A measure of how bright a surface appears

is a specific former unit equal to one lumen per square foot

Surface Forms

ft-L singular
ft-Ls plural

Etymology

Ft-L is short for foot-lambert, with foot the common measure of length and lambert the name given to a unit of light, so it literally means 'one lumen per square foot'. So, ft-L is used to describe how bright a surface is.