Sjabloon:Tabel lichtgrootheden

naam (symbool) (Engelse term)	definitie	eenheid	omrekening
Lichtsterkte (Iv) (luminous intensity)	$I={\frac {\partial \Phi }{\partial \Omega }}$	candela (cd)	$\mathrm {1\,cd=1\,{\frac {lm}{sr}}}$
Lichtstroom (Φ) (luminous flux)	$\Phi _{\mathrm {v} }=K_{\mathrm {m} }\int _{380\,\mathrm {nm} }^{780\,\mathrm {nm} }{\frac {\partial \Phi _{\mathrm {e} }(\lambda )}{\partial \lambda }}\cdot V(\lambda )\,\mathrm {d} \lambda$	lumen (lm)	$\mathrm {1\,lm=1\,sr\cdot cd}$
Specifieke lichtstroom (of lichtrendement) (η, Φs) (luminous efficacy)	$\eta ={\frac {\Phi }{P}}$	lm/W
Verlichtingssterkte: (E) (illuminance)	$E={\frac {\partial \Phi }{\partial A}}$	lux (lx)	$\mathrm {1\,lx=1\,{\frac {lm}{m^{2}}}=1\,{\frac {sr\cdot cd}{m^{2}}}}$
Luminantie (L) (luminance)	$L={\frac {\partial ^{2}\Phi }{\partial \Omega \cdot \partial A_{1}\cdot \cos \varepsilon _{1}}}$	$\mathrm {\frac {cd}{m^{2}}}$	$\mathrm {1\,{\frac {cd}{m^{2}}}} =\mathrm {1\,{\frac {lm}{sr\cdot m^{2}}}}$
Lichtenergie (Qv) (luminous energy)	$Q_{\mathrm {v} }=\int _{0}^{T}\Phi _{\mathrm {v} }(t)\mathrm {d} t$	lumenseconde (lm⋅s)
Ruimtehoek (Ω) (solid angle)	$\Omega ={\frac {A}{r^{2}}}$	steradiaal (sr)	$\mathrm {1\,sr=1\,{\frac {m^{2}}{m^{2}}}={\frac {\left[oppervlak\right]}{\left[straal\right]^{2}}}}$