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Light is reflection. The only thing we can see is the light source and the surface that reflects the light. Daylight is constantly changing in strength, while the colour (spectrum) of light constantly changes in composition. A cold winterday is blue in colour, a warm summerday is more red in colour.

The visible region of the spectrum is between 320 nanometers and 780 nanometers and contains 15 main colours including purple / blue / green / yellow / orange / red. All wavelengths together are observed as white, a white surface looks  white because it reflects all wavelengths. A red surface appears red because it absorbs most of the lightwaves except the red lightwaves.

The colour temperature is expressed in Kelvin and indicates whether the light gives a warm or a cold impression. The temperature of real daylight is 5500 Kelvin. The higher the colour temperature (above 5500 Kelvin) the cooler (white / blue) the light shows. The lower the colour temperature (below 5500 Kelvin) the warmer (yellow or pink) the  light shows.

True-Light cannot be compared to other daylight lamps, it produces the original fullspectrum daylight lamps !

Due to the UV transmitting sodium glass and the various different phosphors, True-Light almost equals natural daylight with 5500 Kelvin with 96 -98 %. Much more than any other daylight lamp.

Prolonged lack of daylight has harmful effects. This results in symptoms such as fatigue, winter depression, headaches, depression and sleep disorders.

Daylight stimulates the production of vitamin D, which is necessary for the absorption of calcium and other minerals in the blood and affects the production of the "sleep hormone" melatonin. It lowers blood pressure and cholesterol levels and promotes weight loss by acting on the thyroid. There are also strong indications that UVB radiation in daylight stimulates the immune system.

 

You can find more information about daylight lamps on this site: https://www.comparedaylightlamps.com

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