[TABLE="class: wikitable"]
[TR]
[TH="colspan: 2"]Examples[/TH]
[/TR]
[TR]
[TD]
Illuminance[/TD]
[TD]
Surfaces illuminated by:[/TD]
[/TR]
[TR]
[TD]10[SUP]−4[/SUP] lux[/TD]
[TD]Total
starlight, overcast sky[/TD]
[/TR]
[TR]
[TD]0.002 lux[/TD]
[TD]Moonless clear night sky with
airglow[/TD]
[/TR]
[TR]
[TD]0.01 lux[/TD]
[TD]Quarter moon[/TD]
[/TR]
[TR]
[TD]0.27 lux[/TD]
[TD]Full moon on a clear night[/TD]
[/TR]
[TR]
[TD]1 lux[/TD]
[TD]Full moon overhead at tropical
latitudes[/TD]
[/TR]
[TR]
[TD]3.4 lux[/TD]
[TD]Dark limit of civil
twilight under a clear sky[/TD]
[/TR]
[TR]
[TD]50 lux[/TD]
[TD]Family living room lights [/TD]
[/TR]
[TR]
[TD]80 lux[/TD]
[TD]Office building lights in hallway/toilet[/TD]
[/TR]
[TR]
[TD]100 lux[/TD]
[TD]Very dark overcast day[/TD]
[/TR]
[TR]
[TD]320–500 lux[/TD]
[TD]Office lighting[/TD]
[/TR]
[TR]
[TD]400 lux[/TD]
[TD]
Sunrise or
sunset on a clear day.[/TD]
[/TR]
[TR]
[TD]1,000 lux[/TD]
[TD]Overcast day; typical
TV studio lighting[/TD]
[/TR]
[TR]
[TD]10,000–25,000 lux[/TD]
[TD]Full
daylight (not direct sun)[/TD]
[/TR]
[TR]
[TD]32,000–130,000 lux[/TD]
[TD]Direct
sunlight[/TD]
[/TR]
[/TABLE]