1.what’s the meaning of “Beam Angle “?
The spread of light from a luminaire. For example: a fitting such as a low bay ,which is closer to the floor,will have a wider beam angle to illuminate a given floor area while a high bay fitting will have a narrower beam.
2.How do we explain “CRI” ?
A measure of the degree of colour shift objects undergo when illuminated by the light source as compared with those same objects
when illuminated by a reference source of comparable colour temperature. The reference source has a CRI of 100.
3.What’s colour temperature ?
The description used to describe the effect of heating an object until it grows incandescently. The emitted radiation, and apparent colour,
changes proportional to the temperature; easily envisioned radiation, and apparent colour, changes proportional to the temperature; easily
envisioned ,when considering hot meal in a forge that glows red, then orange, and then white as the temperature increases.
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