Blue lasers are actually the same type of lasers that are used in Blu-ray technology. Although it is rarely prefered to the green and red ones, it could be used for what others do, which also reflects the individual unique aesthetic taste. As far as presentation pointers go, it can be a nice change of pace to use a blue laser pointer, but much more powerful blue lasers are also available. However it comes down to all other uses such as pinpointing something on the large screen or on the blackboard.
I purchased a 50mW unit that was initially defective, but htpow replaced it with no fuss. My new unit is incredibly stable, very satisfied, an excellent product.
My 50mw yellow laser is surprisingly durable. I wish it had a small pane of replaceable glass in the front screwcap to protect the aperture, but that's a very small price to pay for an outstandingly bright and vivid collimation. Quality laser, worth the price.
Beautiful color. Great customer service. Quality built unit. Lens cover a nice touch.
Again an excellent laser from htpow lasers. I ordered a 589nm 50mW laser and it got delivered just 6 days after placing my order. That's incredibly fast! The laser itself is of good quality and it is, like every other laser I have from them, overspec. The customer service is amazing too. Got all my emails replied within 12 or so hours. I'd really recommend this laser, it's a cool wavelength with a good output at an affordable price.
Blue Laser Pointers
Green Laser Pointers
Green laser pointers are now the world's most popular laser pointers, because the green light than red light 6 times more than red light beam significantly, while the price is much cheaper than the blue and yellow, green laser pointer is simply more powerful than red laser pen. Of course, this also means that green lasers are potentially more dangerous than red lasers. When operating this type of laser, it is important not to point it into anyone's eyes or to point it up in the sky towards any airplanes. It is probably not as much preferred lasers as an astronomy laser pointer, because brighter colors would make an object more visible in the sky.
Red Laser Pointers
Red laser pointers are by far the most popular and least expensive type of laser pointer. This is because the wavelength of the red color can be manufactured more easily than that of the other colors in the spectrum, red laser is also the only color that is available in the smallest size of laser pointers. Do remember that red laser light is powerful when it hits a certain object and converges into a point.
HTPOW Lasers are IR filtered for safety and the output power is measured on each unit individually for a 20-minute continuous period to ensure sustained performance. This high power laser test is done at least 3 times before the laser is shipped to the customer. All lasers are the best quality, the most competitive price. We guarantee all laser pointers products are free shipping, 30-days return policy, 1-year warranty period.
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