Laser pointers with 405 nanometers wavelength of light are also called blue violet laser pointers. 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. 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. However it comes down to all other uses such as pinpointing something on the large screen or on the blackboard.
Green laser pointers is 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 pen is the wavelength of light emitted 500-550nm, the wavelength sensitivity of the coefficient table, as is the closest one wavelength. Green is undoubtedly efficient light source, the eye more easily identified. The green light sensitivity of the human eye is higher than a lot of red; the other is green light scattering in the atmosphere more than red light.
Red laser pointers, wavelength 630-670nm green laser pointer is more for longer. The first red pointer was released in the early 1980s. Nowadays, the red laser diode technology has been very mature. More durable, the price is much more cheaper than ever. More easily transmitted red light air, dust, water vapor, so the light path can be seen to need more power. 100 mW red laser pointers probably only about 20 milliwatts, and green. Do remember that red laser pointers are powerful since the light they emit is powerful when it hits a certain object and converges into a point.
Place to note
Now, more and more laser pointers and flashlights sold in the market are class IIIB with a power over 5mW. But when the laser directly penetrates into the eyes, there may be some damage. Especially to some high power laser pointers, diffuse light probably damage the eyes, the focus are more likely to ignite flammable materials. Therefore laser pointers are not a toy, not suitable for children. When operating high-power laser, wear special secure glasses would be safe, especially for the invisible laser. In a word, no matter how much power the laser power is, you need to avoid hitting into your eyes.
1mW Laser Pointer is the visible laser pointers operating with 1–5 mW power are Class 3A or IIIa. In LaserPointerPro.com, You can get 1mw green laser pointer, 1mw red laser pointer, or 1mw blue laser pointers. LaserPointerPro.com provide you quality and inexpensive various color laser pointers in 1mw.
I bought 6 of these lasers in 2011, I gave 4 of them to family and friends and kept 2 for myself. I lost one of them soon after I purchased them and am using the last one of them now!!! I am ordering more of them today so I will have a backup. I use mine every day and its 4 years old and is as bright today as it was the first day I got it. I highly recommend them, fast service with a smile.
This product is excellent. When I used this product I was surprised on how good it is and it is a really powerful laser as well.
Works perfectly and just what I was looking for - destined to be a pet toy so perfect. It is also surprisingly good for use as a long-range spotter for my camera. A side benefit I had not expected.
Great laser. The laser point(where the laser hits the wall) is very bright, and can be seen for some distance if pointing at something. You can't see the beam in the daylight but at night it is visible. Great for pointing out stars. I bought a 5mW and a 50mW laser from laserpointpro as well and this laser is my favorite. The 5mW is pitiful, the laser point is weak and blurry and the 50mW doesn't show a beam. All in all this is a great laser for a great price.