Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

How to Register on LPF | LPF Donations

Search results

  1. A

    3 watt 445nm lens focus

    Hello all, Im a newby to the laser world and recently built a 3 watt 445nm setup. I have a g2 lense and noticed that the beam goes from a pinpoint to a rectangular shape as distance increases. Is there a way to keep the beam at a pinpoint regardless of distance? I am willing to purchase...


Back
Top