I should have been more specific. By visible I mean how well you can see the beam. What will be the visibility difference between the 10mW and the 20mW? What will be the difference in terms of safety. As I stated earlier, I know next to nothing about lasers so I'm a little concerned about my...
I just started looking into getting a laser pointer today. I want something that will be able plainly visible but won't be a safety hazard. Is it possible to get something like that for under $20? And if so, where should I buy it from. Maybe someone can give me a crash course on laser pointers...