Scot (unit)

The scot ( unit symbol  sk ) is an outdated unit of measurement for dark luminance .

${\displaystyle {\begin{alignedat}{2}\mathrm {1\ sk} &=10^{-3}\ \mathrm {asb} \\&=10^{-3}\ \mathrm {blondel} \end{alignedat}}}$

With

• ${\displaystyle \mathrm {asb} }$for the apostilb
• ${\displaystyle \mathrm {blondel} }$for the blondel .

Conversion

${\displaystyle {\begin{aligned}1\ \mathrm {sk} &={\frac {10^{-3}}{\pi }}\ \mathrm {\frac {cd}{m^{2}}} &&={\frac {10^{-7}}{\pi }}\ \mathrm {\frac {cd}{cm^{2}}} ={\frac {10^{-7}}{\pi }}\ \mathrm {sb} \\&={\frac {10^{-3}}{\pi }}\ \mathrm {nt} &&=10^{-7}\ \mathrm {la} \\&=10^{-7}\cdot \left(\mathrm {\frac {ft}{cm}} \right)^{2}\cdot \underbrace {\left(\mathrm {{\frac {1}{\pi }}{\frac {cd}{ft^{2}}}} \right)} _{\mathrm {ft\ la} }&&\approx 9{,}29\cdot 10^{-5}\ \mathrm {ft\ la} \end{aligned}}}$

With

• ${\displaystyle \mathrm {sb} }$for the Stilb
• ${\displaystyle \mathrm {nt} }$for the nit
• ${\displaystyle \mathrm {la} }$for the Lambert
• ${\displaystyle \mathrm {ft} }$for the foot
• ${\displaystyle \mathrm {ft\ la} }$for the footlambert .