DescriptionEconomylamp-zoom on irc and color temp writing.jpg
English: Zoom on writing on a flurorescent tube. The number 840 indicate that the IRC is in 80-90 and that the colour of the lamp correspond to 4000k (white)
Français : Zoom sur les inscriptions d'un tube fluorescent. le nombre 840 indique un IRC de 80 à 90 (en général 82) et une température de couluer de 4000 k (blanc intense)
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to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
en: Zoom on writing on a fluorescent tube. The number 840 indicate that the CRI (Color rendering index) is in 80-90 range and that the colour of the lamp correspond to 4000 K (white)
Fr: Zoom sur l'inscription d'un tube fluorescent. Le nombre 840 indique un IRC (Indice de rendu de couleur) dans l'intervalle de 80 à 90 (en général 85) et une température de couleur de 4000 K (blanc neutre)
Source: zoom on image extract from wikipedia commons
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
en: Zoom on writing on a flurorescent tube. the number 840 indicate that the IRC is in 80-90 and that the colour of the lamp correspond to 4000k (white) Fr: Zoom sur les insciptions d'un tube fluorescent. le nombre 840 indique un IRC de 80 à 90 (en gén�