How To Choose LED Lights Lens Angle？
Recently, many customers ask same questions: How to choose LED Lights lens angle? What's the differences between different angles? What's the effect of different angles?
Therefore, we take LED Wall Washer Lights as an example, to provide a common lens angle light effect image contrast, and with picture and text explanation, hope I can help you with your question.
First of all, the lens angle refers to the LED product light-emitting range, called the beam angle. Reaction is illuminated on the wall is the spot size and light intensity of the same light source. If used in different angle reflector, the larger the beam, the smaller the center of light intensity, the larger the spot. For example, 10 ° angle beam diagram, we can clearly see the 10 ° angle beam center of the light than the surrounding light, the middle part of the light called the central light intensity, the whole light irradiation surface called the spot. As the beam angle increases, the intensity of the intermediate light weakened to 110 ° angle, the middle part of the brightness of light and the surrounding almost the same, and no difference between ordinary light bead effect. Therefore, it is not difficult to draw the conclusion: the smaller beam angle, the greater the center light intensity, the smaller the spot, the better the luminous efficiency.
The beam angle depends on the lens angle. As long as the lamp beads with the appropriate angle of the lens, you can lock the beam angle. The common beam angle is 8 °, 15 °, 25 °, 45 °, 60 °, 90 °, 120 °, which can be divided according to the angle: Narrow beam: <20 °; Medium beam 20 ° ~ 40 °; wide beam> 40 °.
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