Nov 15, 2013 #1 S svdr 0 Joined Jan 8, 2009 Messages 89 Points 8 They come in 30mW and 50mW and prices are dropping : HL 520nm diode 30mW 50mW
Nov 15, 2013 #2 ZRaffleticket 0 Joined Feb 4, 2010 Messages 3,280 Points 113 Do some searching before posting, these are VERY well known. Plus there's a group buy currently running for that company right now... link here Last edited: Nov 15, 2013
Do some searching before posting, these are VERY well known. Plus there's a group buy currently running for that company right now... link here
Nov 15, 2013 #3 Benur 0 Joined Oct 9, 2013 Messages 91 Points 8 We all know these lasers, but I don't know why they are that cheap compared to other 520nm laser.