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I just read that the DTR's 520nm AR Coated Two Element Glass Lens is said to work very well at removing the "green beam box" and really cleans up the beam with the green laser diodes and doesn't rob as much power as the three element glass lenses, https://sites.google.com/site/dtrlpf/home/glass-lenses And it only costs $8.60 to boot ! :beer:
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