Recent content by f54102

I understand what you say(It is exact thing) and working process of 532nm lasers. But my point was not that.

Yes but the wrong part is how can they put that kind of diode into $9 pointer? You probably know the military style. Only the case and protective keys should be at least $5. And $4 for diode that emits 50mW IR and 5 mW green? I do not think so.

Hello, recently I have bought a $9 "PM Laser 301" from ebay. The label states that it is <1000mW and class II and wavelength is 532nm +-10. And I put a ICR 18650 samsung battery which was charged at 4.2v. But the problem(s) are these, *It hurts and burns my skin(upper side of my hand) in 2...