asb
Apostilb
Cgs System

Apostilb (asb)

The apostilb (asb) equals 1/π cd/m² ≈ 0.318 nits. Represents the luminance of a perfect diffuser illuminated by 1 lux. Also called blondel. One apostilb ≈ 0.0929 foot-lamberts. Useful in theoretical calculations involving diffuse reflection.

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Conversion Factors

1 asb 0.3183098862 cd/m²
1 asb 0.3183098862 nit
1 asb 318.3098862 mcd/m²
1 asb 0.0003183099 kcd/m²
1 asb 3.183098862e-5 cd/cm²
1 asb 3.183098862e-7 cd/mm²
1 asb 3.183098862e-5 sb
1 asb 0.0001 L
1 asb 0.1 mL
1 asb 1 blondel
1 asb 0.0295719561 cd/ft²
1 asb 0.0002053608 cd/in²
1 asb 0.09290304 fL

Related Units