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    Question about ebay pen.

    I just purchased one of these: Powerful Astronomy Grade Blue Beam Laser Pointer 5mw 532nm w/ Retail Box Powerful Astronomy Grade Blue Beam Laser Pointer 5mW 532nm w Retail Box | eBay I had a few questions I thought maybe you all could help with. This says it is a 532nm BLUE laser, but isnt...
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    I could use a bit of advice, this is my first post.

    Hi, I just joined the forums here after lurking for a while and reading everything I could. I recently purchased a few laser pointers, and a flashlight case to use as a host in case I ever get the hankering to tinker (OK, in case is unneeded, its gonna happen!) Im not sure if this is the right...


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