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    Lens Question about FastTech 1W Laser

    Hello, this is my first post! So, I was looking to get this laser as my first step up https://www.fasttech.com/reviews/1443100/32434 to a real burning laser. However, appearently the lens is made of plastic and can melt, having its fumes harm th diode. It uses an "M140" diode, and I want to...


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