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    Light distribution curve of the definition:

    Distribution curve is actually a lamp or light source that emits light in the space distribution. It can record the luminous flux of lamps, light quantity, power, power factor, lamp size, lamp efficiency, including lamp manufacturers, models and other information. The most important thing of course, recorded the light in all directions the light intensity.

    Light distribution curve of the Category:

    Distribution curve according to their symmetry properties can generally be divided into: axial symmetry, symmetrical and asymmetrical light distribution.
    Axial symmetry: rotational symmetry is also called, refers to all directions with all the basic symmetrical light curves, the general downlight, mining lamps are like light distribution.
    Symmetry: When the lamps and C180 ° C0 ° light distribution profile symmetry, while C270 ° C90 ° and symmetric profiles with light, such a distribution curve is called symmetrical with light
    Asymmetric: means C0 ° – 180 ° and C90 ° – 270 ° with any one section of light asymmetry.

    Distribution curve in accordance with its beam angle is usually divided into:

    Narrow light distribution (40 °)
    Wide light distribution (> 40 °)
    In fact, there is no strict definition of the various manufacturers of wide, middle and narrow definitions are slightly different.

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