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  1. B

    445nm 5W+ Beam divergence?

    So I'm finally ready to drop $500 on a laser. Scary. Help me with my purchase! Is beam divergence terrible beyond 3W? My previous laser was an OXlaser 3W 445nm. Like 6 years ago the button activated via jostling in my backpack and burned the lens and I'm too stupid to be able to screw the glass...
  2. B

    New to site. Could use some advice on reputable companies in 2022.

    Hello. I haven't been active in lasers in 5y or so but I want to buy a handheld 3-5W 2x18650/2x26650 blue (450nmish idc) laser. 2x 16340 run out of battery too fast. I hyperlinked everything but apperently you have to have 20 posts to post links :(((. If you message me I'll send you the links if...


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