Typical luminous efficacies
Source
Tungsten Filament
Tungsten Halogen
Compact Fluorescent
T12 Low Frequency
T8 Low Frequency
T8 High Frequency
T8 Triphosphor High Frequency
Sunlight
Skylight
Efficacy
12
18
70
67
77
88
100
80
120
Typical luminous efficacies |
l-e-s-s | |||
SourceTungsten FilamentTungsten HalogenCompact FluorescentT12 Low FrequencyT8 Low FrequencyT8 High FrequencyT8 Triphosphor High FrequencySunlightSkylight |
Efficacy12187067778810080120 |
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