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Thanks for your answers, really appreciated! I'm still undecided between: 1) A DX 50mw for ~$30 - cons: not a solid build, no IR filter, probable >1.5mrad beam divergence, probably 40mw sustained power or less - pros: price! 2) Optotronics 40mw for $77 (should match the above) - pros and cons...

Thanks for your answer. I'll go for your advice, but is $30 really enough for a good quality 50mw green? Looking at the prices of Optotronics Green Pen Pointers, they sell the (tested, IR filtered) 55mw for 99$!!! Also, knowing that for 1.5x bucks you get 3x more power...its a bit annoying! Do...

I forgot: I prefer having the possibility to power it with rechargeable batteries.

Hello everybody, this is a newbie's first post! I have always been fascinated by lasers, I own a small 5mw red laser, and now that I have some money (~150$) to spend I'm trying not to waste them! So after a bit of googling I've found this interesting forum, which looks like the right place to...