Candela frequency and that has a radiant intensity in that direction of watt per steradian. The definition describes how to produce a light source that (by definition) emits one candela, but does not specify the luminosity function for weighting radiation at other frequencies. Such a source could then be used to calibrate instruments designed to measure luminous intensity with reference to a specified luminosity function. An appendix to the SI Brochure makes it clear that the luminosity function is not uniquely specified, but must be selected to fully define the candela. The candela is sometimes still called by the old name
Paco Candela Paco Candela Francisco 'Paco' Antonio Candela Pascual (born 19 January 1993) is a Spanish footballer who plays for Hércules CF. Mainly a central defender, he can also play as a defensive midfielder. Born in Alicante, Valencian Community, Candela graduated with Villarreal CF's youth setup, and made his senior debuts with the C-team in the 2011–12 campaign, in Tercera División. On 20 August 2013 he moved to Segunda División B's CD Leganés, featuring in 29 matches during his first season, which ended in promotion. On 6 August 2014 Candela signed a new two-year deal with the Madrid side. On 11 September