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Gentlemen, I'm building some prototypes for industrial applications, and have been using the internal parts of inexpensive laser pointers picked up at local dollar stores. Either through luck or ignorance, fortunately, they've been useful for what I'm doing. The good points about these are...

Hi, My name is Tom, and I've just discovered this website. I hope to learn a lot, and am happy to have found it. I'm a machinist, and interested in lasers for related tasks; measurement, alignment, etc. For the last couple of days I have been experimenting with inexpensive dollar store...