luminance

Candela per square meter Surface
1,600,000,000 solar disk at noon (blinding!!)
600,000 solar disk at sunrise or sunset
120,000 60-watt frosted incandescent light bulb
11,000 T8 cool white fluorescent
8,000 average clear sky
2,500 Moon
2,000 average cloudy sky
30 green electroluninescent panel
0.0004 darkest sky

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