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- Color_rendering_index abstract "The color rendering index (CRI), sometimes called color rendition index, is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with an ideal or natural light source. Light sources with a high CRI are desirable in color-critical applications such as photography and cinematography. It is defined by the International Commission on Illumination (CIE, in French) as follows:Color rendering: Effect of an illuminant on the color appearance of objects by conscious or subconscious comparison with their color appearance under a reference illuminantThe CRI of a light source does not indicate the apparent color of the light source; that information is under the rubric of the correlated color temperature (CCT). In the pictures at right it can be noticed that the spectra have different structure: the incandescent lamp gives a continuum, and the fluorescent lamp gives separate lines from the mercury emission.CRI's ability to predict color appearance has been criticized in favor of measures based on color appearance models, such as CIECAM02 and, for daylight simulators, the CIE Metamerism Index. CRI is not a good indicator for use in visual assessment, especially for sources below 5000 kelvin (K).Numerically, the highest possible CRI is 100, for a Black body (incandescent lamps are effectively blackbodies), dropping to negative values for some light sources. Low-pressure sodium lighting has negative CRI; fluorescent lights range from about 50 for the basic types, up to about 90 for the best tri-phosphor type. Typical LEDs have about 80+ CRI, while some manufacturers claim that their LEDs have achieved up to 98 CRI.A newer version of the CRI, R96a, has been developed, but it has not replaced the better-known Ra general color rendering index.[citation needed]".
- Color_rendering_index thumbnail Simple_spectroscope.jpg?width=300.
- Color_rendering_index wikiPageExternalLink CIE_LED_symp04_prog_abstr.pdf.
- Color_rendering_index wikiPageExternalLink 666.
- Color_rendering_index wikiPageExternalLink 1477153513514424.abstract.
- Color_rendering_index wikiPageExternalLink 1477153513515264.abstract.
- Color_rendering_index wikiPageExternalLink 1477153513514425.abstract.
- Color_rendering_index wikiPageExternalLink CQS.pdf.
- Color_rendering_index wikiPageExternalLink OhnoOptInd2005.pdf.
- Color_rendering_index wikiPageExternalLink 704.
- Color_rendering_index wikiPageExternalLink CRI_calculation.xls.
- Color_rendering_index wikiPageExternalLink d002.html.
- Color_rendering_index wikiPageExternalLink Render.txt.
- Color_rendering_index wikiPageExternalLink www.eere.energy.gov.
- Color_rendering_index wikiPageExternalLink 462.pdf.
- Color_rendering_index wikiPageExternalLink light-terminology-color-rendering-index.html.
- Color_rendering_index wikiPageExternalLink appendixb1.asp.
- Color_rendering_index wikiPageExternalLink lightcolor.asp.
- Color_rendering_index wikiPageExternalLink abstract.cfm?URI=oe-19-9-8151.
- Color_rendering_index wikiPageExternalLink cri_leds.html.
- Color_rendering_index wikiPageID "1324664".
- Color_rendering_index wikiPageRevisionID "604111045".
- Color_rendering_index hasPhotoCollection Color_rendering_index.
- Color_rendering_index subject Category:Color.
- Color_rendering_index subject Category:Lighting.
- Color_rendering_index comment "The color rendering index (CRI), sometimes called color rendition index, is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with an ideal or natural light source. Light sources with a high CRI are desirable in color-critical applications such as photography and cinematography.".
- Color_rendering_index label "Color rendering index".
- Color_rendering_index label "Farbwiedergabeindex".
- Color_rendering_index label "Indice de rendu de couleur".
- Color_rendering_index label "Indice di resa cromatica".
- Color_rendering_index label "Kleurweergave-index".
- Color_rendering_index label "Współczynnik oddawania barw".
- Color_rendering_index label "Índice de reproducción cromática".
- Color_rendering_index label "Индекс цветопередачи".
- Color_rendering_index label "演色性".
- Color_rendering_index sameAs Index_podání_barev.
- Color_rendering_index sameAs Farbwiedergabeindex.
- Color_rendering_index sameAs Índice_de_reproducción_cromática.
- Color_rendering_index sameAs Indice_de_rendu_de_couleur.
- Color_rendering_index sameAs Indeks_sesuaian_warna.
- Color_rendering_index sameAs Indice_di_resa_cromatica.
- Color_rendering_index sameAs 演色性.
- Color_rendering_index sameAs Kleurweergave-index.
- Color_rendering_index sameAs Współczynnik_oddawania_barw.
- Color_rendering_index sameAs m.04svxc.
- Color_rendering_index sameAs Q27575.
- Color_rendering_index sameAs Q27575.
- Color_rendering_index wasDerivedFrom Color_rendering_index?oldid=604111045.
- Color_rendering_index depiction Simple_spectroscope.jpg.
- Color_rendering_index isPrimaryTopicOf Color_rendering_index.
