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  1. P

    Strange red dot from a 650 nm

    I apologize if this has been asked before, I tried my best with the search feature. Anyways, I got a red laser from DX today and it has an interesting spot... Any ideas what causes this?
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    Worth keeping?

    The tether on my laser broke tonight and the laser hit the floor and no longer works. I opened it up and found a piece of the diode rattling around. I'm not too hung up over a $30 laser but I was wondering if the driver is worth keeping. The large chip is an op amp.. The back reads...
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    Greetings from Canada

    Hello LPF! I have been to this forum as a guest a few times and as my laser addiction progresses I find my visits more and more frequent. I finally decided I should open an account! I have always enjoyed the cheap little red lasers for as long as I can remember, my friend one day showed me his...


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