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  1. L

    Anyone tested Laserlands 638nm 5mw pointer power?

    I have a Laserlands 638nm 5mw pointer (uses AAA batteries), if any of you guys have one and a meter is it's mw rating accurate? Thanks.
  2. L

    Nm range of “china” green laser pointer converted to IR?

    I've got a 5mw Chinese laser pointer that I removed the pumping crystal from to make it into an IR pointer. I’m going to get a 1mw green laser and convert it, so it’s a bit safer than my 5mw one. I want to wear laser goggles, but I need to know the Nm of the laser, so I can buy the right...