BobMc

The 2 element flattens up the beam and has a good range for converging out to about 4' also cuts down on the wings you get from a 3 element lens. I believe there is some small amount of clipping judging by the fully diverged focus pill shaped image on the wall.

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Hello, I'm falling in love with these lasers in these tiny little host! Think a I'm getting addicted. But I'm having fun. Best wishes to all !