Lighting. Friday , September 21st , 2018 - 12:56:39 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.
Another energy saving option is the halogen energy saver. These lamps only offer around a 30% energy saving over incandescents and typically last 2,000-5,000 hours but they do have some advantages over LED and CFLs which are worth considering. In some cases truly retrofit LED can be hard to find and difficulties with the fitting and size of the lamp can occur. The nature of a CFL means its appearance differs from that of an incandescent. Halogen energy savers are however available in a range of shapes including spot bulbs, GLS, candle, aluminium reflector and golf ball making them an easy retrofit replacement for many traditional incandescents and an option worth thinking about particularly if you require decorative on show lighting. For those wishing to retain the traditional shape of their lighting long term, a G9 halogen adaptor is a great way to do so. A G9 halogen capsule is fitted in to the adaptor base (available as SBC, BC, SES, ES) which is in turn screwed into a decorative cover. Once the halogen capsule has expired, the bulb can be unscrewed and only the capsule needs replacing - meaning your decorative lighting remains the same. Another advantage of halogen energy savers is that unlike some LED and CFL they are fully dimmable. Furthermore halogens and CFLs emit light evenly whereas LEDs emit light directionally so make sure to check the beam angle before purchasing to ensure you get the right light output.
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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