TLCI is the latest grading standard for lighting and luminaires in the TV film industry, and the Spectrum Eraser Tablet allows you to easily and quickly obtain TLCI measurement information.
Developed in accordance with the TLCI (Film and Television Lighting Consistency Indicator) specification set by the European Broadcasting Union (EBU), the Spectral Elf Lighting Division provides easy access to all TLCI information. When the Spectral Elf Lighter is paired with a lighting passport, professionals such as live directors, colorists, lighting engineers, or lighting professionals can obtain TLCI values ​​and other complete information about the measured light source. Simply press the measurement button and all parameters will be presented immediately on your device. You can easily read and save the measurement results or share them with your colleagues or customers in real time. You can also use your favorite Buddha spotlight or floodlight as a reference setting (TLMF) to help you choose other film and television lighting.
The Spectrum Elf Lighter (Tablet) not only provides information on TLCI, but also provides parameters such as CRI, CQS, and CCT to help you make informed decisions. For color correction technicians who handle film production, the Color Color Recommendations table provides the best reference data for their brightness, chromaticity and hue. Photographers can also adjust themselves in this way when needed. Camera. On the other hand, visual effects editors can enhance or reduce the brightness, chrominance, and hue of the 12 color blocks for optimal picture color rendering.
Spectral Elf Lighter (Tablet) APP Feature Description
â– TLCI
Rating the classification of film and television lighting levels. There are five types of TLCI lighting scores, with the worst quality rating (<25) and the highest quality rating (<85).
85~100
Great lighting quality, little error in color development, dimmers/light engineers/photographers can be ignored without correction or just need to be small adjustments.
75~85
The dimmer may need to make minor adjustments to ensure light color quality, but it is very easy to achieve acceptable results.
50~75
The dimmer/lighting engineer/photographing director does need to make adjustments to the photographic equipment, or use filters to correct the lack of light quality. Experience can be adjusted to acceptable results, but it takes time.
25~50
The color of the luminaire is very poor, and it requires a professional dimmer/lighting engineer/photographer to make major adjustments, and the results may not meet the standards of film and television.
0~25
The quality of the luminaires is very poor, and even if the dimmer/lighting engineer/photographer took a long time to adjust the photographic equipment or post-production to improve the quality of the shot, it is difficult to achieve acceptable results.
â– TLMF
Film and television lighting matching coefficient.
The Spectrum Elf Lighter not only provides TLCI standard reference, but also provides optional reference data. You can select the light source you want to compare from the Reference data, and the TLMF value is the reference light source and the Measure the similarity of the light source.
â– School color card
The 24 color block diagrams show the reference and measurement sources that were restored by the TV camera and presented on a standard display.
The lighting and lighting related technicians can see from the chart that the difference between the measured light source and the reference light source, if the index is too low, such as the third row of dark red color blocks, it can be seen that with this light source, shoot The resulting movie will be heavily colored in the red part, and it will take more time to adjust the color.
â– Color suggestions
This table shows the direction and extent of correction for the color of the image later.
For the 12 different color areas, the required brightness, chromaticity, and hue are marked with "+" and "–" depending on the degree. “+†means enhancement, “–†means weakening, +, – the more the symbol is displayed, the worse the representative color is, the harder it is to correct.
Television professionals around the world, such as the BBC, NBC, CNN, ITV, and Disney Channel, use TLCI as a standard for evaluating film and television lighting. With TLCI, colorists can process on-site lighting faster while reducing the cost of post-production.
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