Laser power test.
Real power is 1.5 – 1 watt less than advertised.
Real power is 4050-4100 mW (~4.08 watt) with 3 element lens.
Real power is 4450-4500 mW (~4.45 watt) with G2 lens.
Laser lens pack for diode lasers
Original laser size
Upgrading the laser.
Adding G2 lens + air nozzle ver 2.0
An Endurance air nozzle. Ver 2.0
Our customers install air nozzle ver 2.0 and share pictures with us
Upgrading Chinese lasers with an Endurance air nozzle ver 2.0. A full guide.
An Endurance air nozzle (extended). Ver 2.0
Laser lens pack for diode lasers
A real customer review about greyscale laser engraving with LE 5040 laser module
Available free STLs for air assist nozzle
Air nozzle STL for 3 element / G2/ G7/ G8 lens
https://www.thingiverse.com/thing:4516272
Air nozzle STL for Chinese laser with a bigger focusing spacer
https://www.thingiverse.com/thing:4544637
Endurance customers say about Endurance lasers & our tech support
Listen to an audio podcast about diode lasers with Alan Joyce
The truths about buying cheap Chinese lasers.
Laser engraving using NEJE Master 2s – real customer experience