G2 short focal lens
$39.95
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G2 short focal lens. An efficient lens for 405-445 nm diode lasers. Optimal for laser cutting and accurate laser engraving. Has the smaller laser beam spot. Focal range: 5-30 mm (1/6'' - 1.2'') Optimal parameters: Focal range 10.5 mm (2/5″) [range from the lens to a surface]Focal beam spot 0.134 х 0.052 mm Optical transmission for 445 nm wavelength = 94% Comparing laser cutting 3 element lens + air nozzle ver 1.0 vs. G2 lens + air nozzle ver 2.0 G2 laser lens with an air nozzle ver 2.0 (plywood cutting) Allows getting the thinnest engraving line.
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