释义 |
apostilb
apostilb[′ap·ə‚stilb] (optics) A luminance unit equal to one ten-thousandth of a lambert. Also known as blandel. apostilbA unit of luminance equal to (1/p) candela per square meter.apostilb
ap·o·stilb (ap'ō-stilb), A unit of brightness equal to 0.1 millilambert. [G. apo, from + stilbē, lamp] apostilb An obsolete, non-SI (International System) unit of light, defined as the amount of light emitted from a diffusing surface corresponding to 1.0 lumen/m2.apostilb The luminance of a perfectly diffusing surface that reflects 1 lumen per square metre. This measure is often used in visual field analysis, where the luminance of the background and targets is measured in apostilb.AcronymsSeeASB |