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Thanks for help! I see their produtcs, its verry good quality. Just want to know, because I don't find answer, why should't anyone do focusing after the G-ball lens? (these diodes very cheap would be good value for money) I would like to make laser module myself for experience!

Hi, I new to lasers... I would like to know, this diode good for using CNC engraving, leave the GBall inside? I mean, maybe possible to focus this parallel beam to a tiny spot. What kind of lens would be required for this? I read warnings about removing GBall "decanned" diodes has short life...