Английская Википедия:Apostilb
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The apostilb is an obsolete unit of luminance.[1] The SI unit of luminance is the candela per square metre (cd/m2). In 1942 Parry Moon proposed to rename the apostilb the blondel, after the French physicist André Blondel.[2] The symbol for the apostilb is asb.
The apostilb is defined in terms of another unit of luminance, the stilb (sb):
Table of SI photometry quantities for reference
See also
Other units of luminance:
- Lambert (L)
- Skot (sk)
- Bril (bril)
- Nit (nit)
- Foot-lambert (fL)
References