luminous efficacy (lm/W):  incandescent 15  halogen 18  fluorescent 60  LED 75
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Osram Classic          1386lm   77W      230V                      fr h
Osram Classic           828lm   46W      230V                      fr h
Voltolux (de)           806lm  8.5W  220-240V  2700K 50/60Hz  68mA cn LED
Airam                   806lm  9.5W  220-240V  2700K 50/60Hz  73mA    LED
Osram Classic           540lm   30W      230V                      fr h
Osram                   525lm    7W  220-240V  2700K 50/60Hz  44mA cn LED     1
Philips Classic         504lm   28W      230V  2800K                  h
Megaman Spiral          500lm    8W  220-240V  2700K 50/60Hz  70mA    f       1
Osram                   375lm    5W  220-240V  2700K 50/60Hz  22mA cn LED e14
Rusta                   150lm    2W  220-240V  2700K 50/60Hz  17mA    LED e14
North Light Warmwhite   150lm    2W      230V  2800K    50Hz  43mA cn LED
North Light             120lm  2.8W  220-240V        50/60Hz  13mA    LED     2
North Light               dec    1W      230V           50Hz 4.4mA    LED     2







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Correlated Color Temperature (Kelvin):  warm 2700K  neutral 4000K  cool 5000K

                   https://dataswamp.org/~incal/data/LIGHTS