Lighting. Friday , September 21st , 2018 - 14:56:51 PM
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.
Fibre tip lighting really is for prettiness and doesn't really give off a lot of light to actually see by. It's light, fluffy, flows and makes you want to touch and run your hand through it. It's made of minute bulbs that sit at the end of, what looks like soft nylon fibres, that move about and flow with the breeze. They really are very pretty and can give some stunning effects. Uplights to highlight features can look fantastic and some have the capacity to illuminate very large areas. The are very good for commercial use and are often used to highlight the façade of spectacular buildings such as historical event venues where they not only show off buildings features but also light up the surrounding area making it usable during the dark hours. There are also smaller versions that have many uses, they are particularly good when placed to throw light from under a tree which can look stunning and cast wonderful wavering shadows. Uplights can be connected to mains electricity but are ideal for to make use of solar power.
Technology has evolved rapidly in the lighting industry over recent years and shows no signs of abating. With the continued legislation against inefficient light bulbs and consumers looking to make savings, energy efficient bulbs will be the way forward. LED, CFL and halogen energy savers are the main options and each type has a role to play depending on the situation and lighting requirements. Always make sure to buy good quality lighting from a trustworthy company and avoid those out to make a quick profit, especially where LED is concerned. Finally, remember when choosing light bulbs an energy saving calculator is the best way to compare technologies.
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