Lighting. Monday , September 17th , 2018 - 04:07:47 AM
For businesses where lights are in continuous use all year round LED is an obvious lighting choice. Long life ensures maintenance costs are low and the initial cost of replacing lamps is offset by substantial energy savings during the lifetime of the bulb. A high profile example of this is John Lewis' decision in November 2012 to turn its back on ceramic metal halide lamps and install LEDs throughout its new Ipswich branch.
Accent lighting is used mainly to highlight specific garden areas or objects, picking them out from the rest. You might want to use this type of lighting around a swimming pool or building or to light up aspects or features in your garden (e.g. a particularly attractive shrub or tree). General lighting (sometimes referred to as ambient light) fills in between task and accent lighting and is the sort of lighting you might choose to illuminate paths and work areas in your garden. For some areas you might want to use it in combination with accent lighting, switching between the two depending upon how you are using your garden. Down-lighting & up-lighting will, as the name suggests, cast light downwards or upwards. Wall lights are often used as down-lights to illuminate a flowerbed or a table that's adjacent to a wall. Up-lighting can be used to great effect in the garden under trees or statues to create special effects by profiling particular curves or angles.
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.
Label :Quoizel Outdoor Lighting‚ Quoizel Lamps Discontinued‚ Fredrick Ramond Glassman also Fredrick Ramond Lighting‚ Arroyo Craftsman Lighting‚
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