Maxine Harvey. Lighting. September 23rd , 2018.
So what energy savings options are there? Everyone is talking about Light Emitting Diodes (LED) at the moment and rightly so given their dramatic advances recently in lumen efficacy and lamp life. Depending on the application, compact fluorescents (CFL) and halogen energy savers are also an effective way to save energy. In most cases a retrofit replacement lamp can be found and energy saving bulbs are available in all the normal cap types including bayonet, Edison screw, GU10 and many more.
To review a Color Rendering index is a comparison of our light source with an index of the same color temperature. A Correlated Color Temperature (CCT) is described in degrees Kelvin, and it is a comparison of our light source against a standard base line color model that has radiant power at all wavelengths Now we have talked about color temperature and the Color Rendering Index of a light source. In order to get a good picture of what the light source is going to do in our lighting design we need to consider both of them together. For example you can have two or more light sources with the same color temperature and they could be called warm but they render object colors differently. You can have Light sources with the same Color Rendering Index but different Correlated Color Temperatures and they could also render the object color differently. In order to get a more complete picture of how a light source is going to react to a surface you need to use both the Color Rendering Index of the light source and the Color Temperature of the light source together.
These days, however, incandescent lights are becoming something of an antique notion to be remembered with a strange mixture of dread and nostalgia. The days of trying to remove rusted fixtures from mounts, clean corroded sockets and wiring, and clear up foggy colored lenses are rapidly receding into history as new navigation lighting technology comes to the fore. Gone are the days of putting your boat in the water only to have your lights fail at the first sign of an oncoming yacht or rainstorm. Of course, we are talking about the introduction of the LED into the marine navigation lighting niche'.
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