Lighting. Monday , September 17th , 2018 - 04:50:52 AM
Solar post cap lights are decorative and functional light fixtures that are used to top posts on decorative fencing, walls, and entry gates. A post cap light becomes an attractive extension of the wall and gate that enhances the existing design rather than detracting from it. Decks are great venues for parties, barbeques, and other outdoor activities, but when it gets dark, you will need to turn on the lights to continue the fun, and improve the safety for you and your guests. Most decks are elevated a few feet off the ground, so lighting the deck for night use is a no brainer from a safety perspective. Putting deck lights along the deck's stair treads is also a great way to add ambient lighting to the area.
An object's colors act as discriminate reflectors meaning they will only reflect their own color. The reason why we can see all the colors present in the objects around us is because white light contains all the colors of the visible spectrum of colors, so it highlights them all. This concept of how light works becomes important when we want to highlight something in a certain way. For instance let's say we have a red rose with a green leaf. If the rose was lighted with only a red light the green leaf would appear to have no color or it would appear to be black. This concept could also be flipped the other way in lighting the rose with a green light the red rose would appear to have no color or look black. Remember if the color isn't in the light source you won't see it in the object being lighted. When we look at the color light spectrum there are colors that are weak at certain points and stronger at others. If you have a light source that is stronger in any one color or colors it will tend to emphasize those colors and mask the other colors present.
Let's start with LED lighting. It can be extremely effective in the right situation, but there are a couple of things that you need to understand in order to decide whether it's right for you. Firstly, LED lights generally emit a lot less light than the lights that they can replace; to get around this problem the light is concentrated in to a narrow beam. These lights are perfect for highlighting, for shop displays or task lighting. What they generally aren't so good for is lighting large spaces, without careful design you can often end up with bright spots and dark spaces. There are of course exceptions to this, such as some LED tubes (designed to replace fluorescent tubes) which light spaces nicely but these can be relatively expensive. There is also an issue at the moment with reliability, while the life expectancy of LED lights is generally 35,000 to 50,000 hours, as many as 15% fail in early life, even in branded product.
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