Yup he said 520 but don't see the G8. My bad as I had to confuse the 25mm module size.Hi GSS,
he states in post #7 its a 520nm / 1.2W diode . So a G Ball diode would be 525nm correct me. And he says he has a G8 lens .
kwhubby, sorry for butting in, this Gball thing or not isn't anything big..