1. Hasken haske:
Ƙarfin da tushen haske ke fitarwa zuwa sararin da ke kewaye a kowane lokaci ɗaya kuma yana haifar da hangen nesa ana kiransa haske mai haske Φ Wakilta a cikin lumens (Lm).
2. Ƙarfin haske:
Hasken hasken da ke haskakawa ta hanyar haske a cikin wani takamaiman shugabanci a cikin babban kusurwar naúrar ana kiransa ƙarfin hasken hasken a wannan hanya, wanda ake kira ƙarfin haske a takaice.Wakilta ta alamar I, a candela (Cd), I = Φ/ W .
3. Haskaka:
Hasken haske da aka karɓa akan hanyar jirgin naúrar ana kiransa haske, wanda aka bayyana a cikin E, kuma sashin shine lux (Lx), E = Φ/ S .
4. Haske:
Ƙarfin haske na hasken haske akan yanki na tsinkayar naúrar a cikin jagorancin da aka ba shi ana kiransa haske, wanda aka bayyana a cikin L, kuma sashin shine candela a kowace murabba'in mita (Cd/m).
5. Yanayin launi:
Lokacin da launin da hasken wuta ke fitarwa ya kasance daidai da launin da baƙar fata ke fitarwa zuwa wani yanayin zafi, ana kiran shi yanayin yanayin hasken wuta, wanda aka taƙaita da yanayin zafin launi.
Dangantakar jujjuya kai tsaye na farashin naúrar hasken LED
Hasken haske na 1 lux = 1 lumen yana rarraba daidai da yanki na murabba'in mita 1.
1 lumen = haske mai haske wanda ke fitowa ta hanyar haske mai ma'ana tare da haske mai haske na 1 kyandir a cikin babban kusurwa mai ƙarfi
1 lux=hasken da aka samar ta hanyar haske mai ma'ana tare da haske mai haske na kyandir 1 akan yanki mai radius na mita 1