Customer’s impression:
Very good Reliable disappointing Powerfull Breakable
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  • Get goggles

    posted by mastertriangle on 10/18/2012

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month


    Very powerful for the price (I would be happy paying more) and the package size. The driver circuit is excellent and will maintain constant power over a relatively large voltage range. Beam can be easily seen at night even with a bit of moon poking out.


    The wires are crappy and fall off easily but new ones are easy to attach. The circuit board needs support if the button is to be used as the connections to the laser diode will not support it alone and will break. Needs cooling if it is to be used continuously. The cooling solution has to be attached to the the laser diode at back end of the module as the body does not conduct heat well enough to keep it cool from the front.


    The button can be bypassed if you do not need it. If you do not have goggles then you should not look at the spot formed by the beam at close range, it can damage your eyes even if it does not feel like it at the time. Cheap crappy goggles can be made by finding some yellow/orange/red film and attaching to enclosed goggles, just check that the film you used does actually stop most of the beam. However these may not protect you if the full beam comes across your eye. BE CAREFUL.


    Very good, rather dangerous, I like.

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