Green Laser Pointers Buying Tips - What You Should Consider Before Your Purchase

As the pinnacle in high-end laser light technology

, Green laser pointers were the exclusive domain of the technological shrinks till few years ago. Today, even you have no clue about what a laser light is, you could get one effortlessly because the advancement in technology makes these technological marvels become affordable gadgets.

Laser light devices are easily located in the shops, stores and super malls. They are often used as pointers in teaching activities and presentation. One of the most popular types is green laser pointer. Most of us might often be at a loss when thinking of our purchase - there are so many choices and our knowledge about such item is so limited. Plus, different ads or appealing packing case often dazzle us. What we should consider during our purchase?

The most important feature of a laser pointer is its power. It is measured in mili watts (mW) and wavelength. Usually, higher power pointers always cost you more money. If you use your green laser pointer for teaching or limited area presentation, you could choose a pointer with a power of about 5mW while a 20mW power pointer is perfect to use in a wider area like auditorium. If you intend to use your green laser pointer to burn or melt something, you should opt for the type with power above 100mW.

The second point we should pay attention to is whether our green laser has an infrared filter. During the use of laser pointer, radiation will generate and could cause harm to us, especially our eyes. The function of the filter is to remove the damaging radiation.

Another point we should consider is the beam divergences. Beam divergence, closely related to the beam diameter, decides how much the laser beam expands per meter. Usually, the smaller the laser beam is, the farther our laser pointer could go.

The last point is the lens material of the pointer. Glass-made lens are the best because of their durability and practicality. Plastic types often cloud the laser beam and don't have strong wear and tear resistance - Deterioration easily happens on the lens as time goes by.

Before your purchase on green laser pointers, think about why you will use and when. The more you know about your requirements, the higher rate you will make a right purchase. Green laser pointers are easily found, but the type that suits you needs your preparation and hard work.

by: hebe huang

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