After looking at the diagram you posted it is def the expander lens that I'm trying to get right. Directly under the lens I can see the little square thing that looks like a crystal or something. The lens is about the diameter of a BB. It is a tiny little lens with what looks like 2 concave...
Could anyone offer me some tips on aligning an expander lens on a 50mW green pointer? I bought a cheepo laser on amazon.com to rip apart just to familiarize myself with laser anatomy. I took the expander lens(extremely tiny lens glued on right above the diode) off that was glued on with what...