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Currently I am working on building a 200mw red laser that will be housed in a flashlight. But in order to get it you 200mw I have to push it to about 350mA. But if I run it on AA or AAA's I think the battery will die to fast. But I don't thinik I can just put in a different type of battery. So...

When do and don't you use your safety glasses? Even though I don't have my laser built or own a pair I would want to were them almost anytime I turned it on, Maybe not if it's outside at a far distance but anytime inside, even if I look ugly in them I rather be safe or sorry.

If you don't have regular laser glasses can you were sunglasses to at least protect from looking at the dot or if you are light a match just to dim the light.

This thread is no longer in need of a response. Thanks, Nick

Hello, As you can see this is my first post. I have always like lasers, but am not very experince with them and would like to be. Almost a guru of lasers. My goal is to build a homemade laser for underabout 60$ and is about 125 mw  This will be my first time building a laser. I want to fit it...