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Whoops, I meant 405nm my bad. I was also wondering if I bought one of these Blue Laser Part Bundles would it go through customs? Or would I have to order components individually?

I'm going to try and build a 10 mw on a 445nm wavelength, I'm just waiting for the diode module. I know I'm starting small, but the strict laws (regarding lasers) here make it very difficult to start anywhere else.

Thanks guys. I've just been buying 1 mw lasers to start off with, anything higher I'll have to make myself. A friend of mine tried to get a 5 mw from overseas and ended up with a letter from customs.

Thanks, I'm currently waiting for a couple of green pens to arrive. As Blaster said they're most likely overspec, but I won't know for sure until I get/make a LPM... Also I was wondering, how difficult are DIY projects for novices? (I'm not asking for anyone to explain any processes) I just...

He just doesn't understand how easy it would be for a serious accident to occur, I reckon it wouldn't be over 100mw through, his Dad bought it for him while he was in China and didn't pay too much for it.

It was a ebay pen, and you're probably right. Although I'll have no way of knowing until I get a LPM. If it is likely to be 10-20 mw, I presume I should use safety glasses while using it?

Hi, my name is Josh and I've just started using lasers as a hobby. My first laser was a red 1 mw, which doesn't sound like much but it definitely surprised me with it's power and capabilities. I hope to be able to learn how to use my lasers safely, and to experiment with them in controlled...

It really sucks that immature people ruin it for the rest of us. I just started getting into the laser hobby but since I live in Australia, what I can do is very limited. I understand why lasers should be kept away from people under 18. My friend recently obtained his first laser, a <500 mw...