VShow LM10 mini 10w full color animation wedding laser show beam disco stage dj laser lights

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<div>The width of a single wave is measured in nano-meters and defines the colour and</div>
<div>visibility of the laser beam. The visible spectrum of the human eye is roughly between</div>
<div>400nm and 700nm, going from violet to a dark red colour. A human eye is most sensitive</div>
<div>to a green light of around 555nm, meaning that a 1W of green laser will always appear</div>
<div>more visible than 1W of any other colour laser. 1W of quality laser light is very powerful</div>
<div>and although it doesn’t sound like much it can burn eye retinas, skin and clothes or even</div>
<div>start a fire!</div>
<div>What makes the laser visible?</div>
<div>Mainly it is the particles of dust in the air that the laser beam hits on its path. That’s why</div>
<div>we “laserists” use haze or smoke machines to make lasers more visible. Too much of the</div>
<div>haze or smoke will kill it, but the right amount will make all the difference between no</div>
<div>show and a great show.When outdoors, lasers mainly reflect off dust and mist in the air</div>
<div>but due to unpredictable wind conditions we can never make sure the hazers or smoke</div>
<div>machines will be effective enough. And that ’ s why we use high power lasers for outdoor</div>
<div>shows – to substitute for the lack of dust, haze and smoke.</div>
<div>How far does it go?</div>
<div>Depending on the power output of the system and weather conditions, the laser can be</div>
<div>visible for miles –that is why we need to be cautious about aircrafts when performing</div>
<div>outdoor shows. And if you get a system that is powerful enough then yes, it can reach</div>
<div>the Moon.</div>
<div>Colours</div>
<div>Standard full colour analogue lasers use three primary colours: Red, Green and Blue. By</div>
<div>mixing those together you can pretty much get any secondary colour:</div>
<div>Red + Blue = Magenta</div>
<div>Red + Green = Yellow</div>
<div>Green + Blue = Cyan</div>
<div>Red + Green + Blue = White</div>
<div>Of course the number and precision of the colours is determined by the modulation,</div>
<div>stability and linearity of the system. If the system is not stable enough, it will produce</div>
<div>different colours every time it is used,making it virtually impossible to match the colours</div>
<div>of two systems at any one time. This is very often the case with systems from far east</div>
<div>manufacturers and with re-branded lasers that are being presented as European makes.</div>
<div>Scanning System</div>
<div>A scanning system is essentially two tiny mirrors, each moving on X or Y axis. By working</div>
<div>together they can “scan” the laser beam in all directions. Once a shape is scanned more</div>
<div>than 20 times per second, it appears static to the human eye. So any shape drawn by a</div>
<div>laser is actually produced by one single laser beam running around like crazy. Every</div>
<div>scanning system has a mechanical limit of how fast it can move its mirrors and therefore</div>
<div>how many points it can display at any one second and that is usually represented in</div>
<div>Points Per Second at a certain scanning angle, i.e. 8 degrees.</div>
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