Sculpfun S9 laser dot and accuracy mediocre while Genmitsu nearly

here are two testfiles from lasergrbl and hobbylasercutters. both slightly modified to fit on my 100x50mm anodized aluminium sheets. both devices calibrated and the test with 60% power at 200mm/min in lightburn. on the left a simple genmitsu 3018 prover cnc with the current 5.5 watt air-assist laser module - on the right the sculpfun s9. sculpfun advertises its laser with a square spot of 0.06x0.06mm - genmitsu also specifies a square spot but with 0.1x0.1mm. in the scans you can clearly see t

SCULPFUN S9 Laser Engraver, 90W Effect High Precision CNC Laser Cutter and Engraver Machine, Deep Cutting for 15mm Wood, 0.06mm Ultra-Fine Compressed Spot Cutting Machine, Eye Protection Fixed-Focus : Arts, Crafts

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SCULPFUN S9 Laser Engraver, 90W Effect High Precision CNC Laser Cutter and Engraver Machine, Deep Cutting for 15mm Wood, 0.06mm Ultra-Fine Compressed Spot Cutting Machine, Eye Protection Fixed-Focus : Arts, Crafts

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SCULPFUN S9 Laser Engraver, 90W Effect High Precision CNC Laser Engraving Cutting Machine, High Energy Laser Cutter, 0.06mm Ultra-Fine Fixed-Focus

SCULPFUN S9 Laser Engraver, Full-Metal CNC Laser Engraving Machine with 5.5W High Precision Laser Cutter for Wood

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