Careful with "IR" there. That's true for CO2 lasers, but ~1064nm is IR focuses f...

nullc 9 months ago | parent | context | favorite | on: CNC lasers for cutting and engraving

Careful with "IR" there. That's true for CO2 lasers, but ~1064nm is IR focuses fine but is quite invisible so it results in no blink or avert reflex.