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As far as I can find, the 589 threads have died. I am creating this thread because I believe they are simpler than they are made out to be and I want people to know how they work so we can at last build our own. Personally I am not expecting to fit it inside a pointer housing, I would be happy...

I do astrophotography and have a huge fascination with adaptive optics and laser guide stars. I have a basic tip/tilt adaptive optics module on my telescope. But what grinds my gears as well as million dollar observatories, is when there is not a bright enough star in the guide camera's fov to...

I'm looking for some cheap (sub $20) lasers for that wont die for absolutely no reason, but if one does its not a big deal. Are the 301 pointers on ebay any good? Wanting red, green and blue and would like at least the green to be very easily visible at night. Or is it just best to build my...

I'll start off with sorry for this being my second post, I just discovered this section. I'm 22 y/o and been really into lasers on the internet for 8-10 years or so but never got around to getting myself any for some reason. I'm really into science/physics, my #1 life passion is astronomy...

Now that I am more adult-ish and actually have money to blow I am wanting to finally get into lasers after 8-10 years of looking at them. I am wondering where people go for parts for your basic everyday lasers. The only ones that I know of are ebay, DTR's Laser Shop and AixiZ. Are there any...