Green lasers vs red lasers. Which is better? 

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Depends On what the use case is

@Fjlasers well in the daytime, I assume purple would be as bright as green?

@@Futurecoder1 405 is purple wich is 405nm This Green is 520nm The close the nanometer is to 555nm the more visserbility you Will get out of the same power output So the purple or uv cooler would have to be thousands if not millions of watts to outshine this

However one thing the purple is good for is burning it’s great at burning due to the short wavelength

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