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In the pistol ranges if you shoot with green lasers fitted and then shoot after removing the green lasers light then you can find that there is hell lot of difficulty in hitting the target without the green lasers light, there will not be any change in operation after removing or putting back the green lasers light but it shows the durability of the green lasers. The battery life of portable green lasers is not too much and it is the challenge in the market but as researches are happening soon you will get very good battery life also, now you get around 3 to 4 hours of continuous, or nearly continuous use, before there was a noticeable decrease in performance, but the battery used in general for this green lasers are very much available in the market and you don’t need any specific tools to change the batteries so it becomes quite comfortable. Researchers have found that in bright sunlight the green lasers could be seen well up to 70 yards away, as well as in dark conditions the green lasers could be seen easily at up to 240 Yards. These ranges are very much enough for accurate range of any targets like for any pistol. Nowadays Green lasers are used in educational and business presentations and visual demonstrations and the pointer is very attractive device. These green lasers can be used for decorating work also and as these lights are visible from more distance so it can be used for outdoor decorations also.Lotof amateur astronomers is also using green lasers for their study and to point out the outer space bodies. Militaries are using green lasers to mark targets at night for aircraft by doing this the target is not missed by any chance and it makes the military more powerful, recently even big construction companies are also using green lasers light to make the accurate calculations of the distance which makes the work a lot easier for construction workers. Green lasers are also used in the shows for entertainment purposes and it is very beautiful to see and it can be seen from a very long distance. But as there are many uses of the green lasers it should be noted that it has some health hazard also like the green lasers are bad for human eye retina. In so many places there has been observation that due to more exposure to green lasers there has been permanent eye injury but it can happen only from high powered green lasers which also emits infra red rays.
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