What does light pattern mean?
The answer to the question of what exactly a light pattern is, is quite simple. It is the light that is visible when the lighting is turned on. The visibility provided by a lamp constitutes the light pattern of the lamp. Various terms are available for describing it, such as "bright," indicating that the light emitted by a lamp is bright white.
What affects the light pattern?
Various factors can influence the light pattern of a specific lamp. Firstly, the type of lighting plays a crucial role. There is a difference when, for example, LED lighting is compared to another type of lighting such as halogen. Additionally, the type of lens also affects the light pattern. An RFT lens produces a slightly different light compared to, for instance, a Fish Eye lens. The most noticeable difference occurs when comparing lowbeam and highbeam. Lowbeam has a much narrower light compared to highbeam.
Read the graph
It is, of course, not possible to determine how much light a lamp emits without seeing the lamp in person. That is why there are various terms, such as lumen, to help estimate what the light from a lamp looks like. The light pattern can also be read from a graph. In the graph, you can see the angle in degrees of the lamp and the distance in meters that the lighting reaches. From the graph, you can determine how far and how wide a lamp shines. Lux, mentioned on the right side, indicates how much light reaches the desired location. The complete graph looks as follows:
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