Recent content by Catrol

Hi all. :yh: Someday I was curoius about the 635 nM wavelenght. And I bought this module : 635nm Orange/Red 160mw Laser/Lazer Dot Diode Module LD with TTL Stage Lighting | eBay The beam parameters were really weak, one of laserfreak.net members told me "650-G2 lens and do it like they done...