1. MAIN FEATURES
4LIGHT is an LED panel housing a total of 96 high power LED. It has been specially designed and its
colorimetry calibrated for professional photography, cinematography and television industry use.
4LIGHT main innovative features are:
•Variable Colour Temperature
•Stable colour dimming
•Green/magenta bias control
•Very high light output
•Low power draw
•High CRI digitally calibrated light
•V-lock mount battery operated
•Lightweight lamp head
NOTE ABOUT MEASURING COLOUR TEMPERATURE (CCT)
4LIGHT incorporates the innovative THELIGHT technology based on high power LED triplets + Fresnel
lens + CPU control software to obtain the wide range of calibrated colour temperatures combined
with a high colour rendering index CCT.
We must remark that colour meters in use today are designed for a full spectrum source such as
incandescent lights and therefore cannot be used to accurately read the correlated colour
temperature (CCT) of the light emitted by THELIGHT and other LED light fixtures.
The eventual diversions to green display as CC10M or CC15M in hand-held colour meters are due to
these unaccuracy on reading of the light emitted by LED and must not be considered.
THELIGHT guarantees pure white light and correct colorimetry of the light delivered by its high power
LED luminaries which have been calibrated in laboratory according to CIE 13.3-1995 international
standards for measurement of the CRI and chromatic coordinates (x, and CIE-1931).
The reliability of this digital equipment is supported by the calibration THELIGHT has made in
laboratory by spectrophotometer, which precision is half-yearly calibrated according to the National
Institute of Standards (NIST) of the United States and of the Physikalisch-Technische Bundesanstalt
(PTB) of Germany.
In order that the advanced THELIGHT luminaries could be used together with other light sources,
THELIGHT has accurately calibrated both the CCT and the chromatic coordinates to match them with
traditional light sources following tungsten and daylight standards.
The digital Control Unit allows a further and precise green/magenta correction along the whole scale
of colour temperatures.
