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The laser came and is pretty cool, thanks again for your advice! I suspect that it's actually much closer to the 5-25mW range as it has absolutely no burning, a pretty dim beam, etc, but all things considered that's probably a good thing until I get some more experience with lasers.

Alrighty, thanks. As far as use cases, is it safe to point it at the sky in urban areas, so long as no aircraft are around? Are the diffuse reflections particularly dangerous? I have heard a LOT of conflicting information about class 3R lasers, with wikipedia saying that the points are safe to...

Hello! I recently ordered a 200mW green (532nm) "Mars" laser from biglaserpointers.com, from whom I previously bought a nice 5mW laser that I've had for a few years now. It is my understanding that such a pointer is potentially EXTREMELY dangerous, so are there any specific safety...