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  1. M

    help?

    hey guys. i have a 50 mw green laser that i use for astronomy and other things, it produced a nice fine beam until i fell over with it in my hand... the bright light still comes out of it but it makes two hazy, basketball sized beams that doent go very far and are pretty annoying as they keep...
  2. M

    Red diode temperature sensitivity

    im sure the condensation from putting it in the freezer would kill it?


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