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bumpity bump. come on people! 3 left!
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BlueFusion said:It's a diode. I think you'd find if you adjusted your red diode laser to minimal divergence you'll be able to achieve (calculated by pseudo's online thing) about <0.4mRad. But the beam has to be the same size as the lens aperture aka like 4mm.
However due to the wide use and mass production of powerful IR diodes, excellent beam specs can be created.
So in answer to your question, probably yes. I'd wager it could pop a balloon from 20 metres provided you could hold it steady enough. (Don't have the space to try though)
3 left!!