Sjabloon:Tabel lichtgrootheden

naam en symbool	definitie	eenheid	omrekening
Lichtsterkte $I_{\mathrm {v} }$	$I={\frac {\partial \Phi }{\partial \Omega }}$	candela $\mathrm {cd}$	$\mathrm {1\ cd=1\ {\frac {lm}{sr}}}$
Lichtstroom $\Phi _{\mathrm {v} }$	$\Phi _{\mathrm {v} }=K_{\mathrm {m} }\int _{380\ \mathrm {nm} }^{780\ \mathrm {nm} }{\frac {\partial \Phi _{\mathrm {e} }(\lambda )}{\partial \lambda }}\cdot V(\lambda )\ \mathrm {d} \lambda$	lumen $\mathrm {lm}$	$\mathrm {1\ lm=1\ sr\cdot cd}$
Specifieke lichtstroom of lichtrendement $\eta$ of $\Phi _{\mathrm {s} }$	$\eta ={\frac {\Phi }{P}}$	$\mathrm {lm/W}$
Verlichtingssterkte: $E$	$E={\frac {\partial \Phi }{\partial A}}$	lux $\mathrm {lx}$	$\mathrm {1\ lx=1\ {\frac {lm}{m^{2}}}=1\ {\frac {sr\cdot cd}{m^{2}}}}$
Luminantie $L$	$L={\frac {\partial ^{2}\Phi }{\partial \Omega \cdot \partial A_{1}\cdot \cos \varepsilon _{1}}}$	$\mathrm {\frac {cd}{m^{2}}}$	$\mathrm {1\ {\frac {cd}{m^{2}}}} =\mathrm {1\ {\frac {lm}{sr\cdot m^{2}}}}$
Lichtenergie $Q_{\mathrm {v} }$	$Q_{\mathrm {v} }=\int _{0}^{T}\Phi _{\mathrm {v} }(t)\mathrm {d} t$	lumenseconde $\mathrm {lm\cdot s}$
Ruimtehoek $\Omega$	$\Omega ={\frac {A}{r^{2}}}$	steradiaal $\mathrm {sr}$	$\mathrm {1\ sr=1\ {\frac {m^{2}}{m^{2}}}={\frac {\left[oppervlak\right]}{\left[straal\right]^{2}}}}$