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.
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Just a quick thank you for all your help. You answered a question about lasers for astronomy, helped me set up an account, and straightened out an incomplete order for me. Needless to say, dragon laser\'s service in general and you in particular are 5/5 in my book so far. thanks again for all the help.
Review List
After purchasing this laser, I am quite happy with it's performance. The battery that comes with the laser will need a charge quite quickly so I recommend buying a charger when you buy this laser.
Très bien, la batterie fourni ne fonctionnait pas, ils m'ont remboursé. J'utilise une autre batterie de même type.
I teach an astronomy course and use a green laser to pinpoint stars, constellations, and other celestial objects for students. A laser that projects bright at long distances is extremely difficult to locate. There are countless businesses marketing high powered lasers, but almost all fall short. A fellow educator recommended Htpow Lasers as the business to trust, and I haven't for a moment been disappointed. Thanks!
If you do not maintain warm-up, it gets dark. I bought three, but individual differences are big Warning label not affixed to product There was a defect inside the product (repair by yourself) Product name printing differs from product photo (SDLaser 301 → Laser 301) It was impossible to point to a star in a big city I wanted high performance at a low price, but it was a mistake Unfortunately I could not be satisfied as many people said, but I think the product and price are reasonable
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.
About HTPOW
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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