Lighting. Tuesday , September 25th , 2018 - 11:29:20 AM
With it being very bright, most people would think that the batteries used to power these lighting fixtures do not last long enough. The truth is that these batteries can last anywhere between 15 and 20 hours. That's enough to keep the venue lit for the duration of the event. Another fascinating improvement here is that battery-powered lights now come in many different colors as compared to the old fairy lights that mostly have low-intensity colors. The best part of this new color scheme is that they can blend different colors. For example, a clear white bulb can have a tint of blue or green.
Now we can take the color of our light source that we are looking at and compare it with the Color Rendering Index (CRI). The CRI of a light source compares the color of the source to a Black Body color index of the same color temperature. The maximum Color Rendering Index number that is possible is 100. The higher the CRI of your light source the more natural colors will appear when illuminated by it. Light sources with a low CRI will distort the colors that are viewed with them.High (above 80) CRI is preferred in the home. ENERGY STAR requires that qualified fixtures have lamps with CRI above 80. Daylight and all incandescent and halogen light sources have a CRI of 100 and they are excellent at rendering color. For a warm lamp, the CRI is a measure of how close to incandescent color it is, and for a very cool lamp the CRI is how close to daylight it is. The lamps CRI should be listed in the Manufacture's literature.
Accent light: Such light is typically four times the intensity of an area's general (ambient) light and focuses attention on a specific object or room fixture. Quite often, halogen lights are used to provide a bright-white glow to an object. In some cases, the accent light can be equipped with a focusing lens in order to target a specific feature of a fixture or object. Display light: This light is typically of low voltage and is used in the display of small keepsakes, figurines, dinnerware, etc. In this case, xenon or halogen lights which range from 3W to 20W are typically used.
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