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  1. C

    150mW DX green pen

    So. I needed some green cheapo for star pointing etc. I knew this laser model is lower quality, and big assembly and power output difference between every piece of this model. So I bought three of them, prepared to choose best one, and sell these two remaining. Introdution, packaging: It came...
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    Optotronics Warranty

    Hi guys. Still lurking about "how to start my high powered laser way" In the way of power vs safety. I wanted to buy Optotronics Laser pen for first (before some 300-400mW beast), but they provide their lasers with only 90 days warranty. Why is that? It´s unacceptable for me. I need some piece...
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    Focus or not focus

    That´s the question :-) I guess it seems to be kinda stupid for you guys, But I am now to high powered lasers, and I don´t know what do I need and what to think about it. I´m preparing to buy some Green high powered laser from Rayfoss. Deciding between these two: www.rayfoss.com...
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    Why there are no strong Red lasers?

    I´m just looking for some cheap (i.e. 200-400$) strong laser for burning. I like Rayfoss because of its price, But I could not find any red stronger than 200mW for this price, while 200mWs are for almost free literally (against othe coloured lasers). Why is that?
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    Laser color passive safety?

    Hello guys I´m going to have some burning laser. I have special question about optic power – You know that green laser is way more visible and “powerfull” for your eye. Is it safer to choose some not so visible(red) laser for burning, when you see it without goggles(people hust watching the...
  6. C

    Hello from Crashpc

    Hello guys. My name is Petr, I live in Czech rep.(middle Europe) and now I´m 23yo old. I do electronics. Usually at work, sometimes like a hobby. I´m big audionerd, a little bit of photo - cameranerd and hopefully triyng to be lasernerd...


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