The longer depth of field of this Ortur Laser Master 2 upgrade makes this the best choice for achieving wider engravings and cutting materials. The LU2-4-SF has a wider focal spot of 0.12×0.15mm and a considerably higher optical power of 4,500-5,500mW, which makes this module a very good choice for engraving hard materials like aluminum and non-ferrous metals.įinally, the LU2-4-LF has the widest focal spot at 0.x17x0.25mm while having the same optical power as the LU2-4-SF. This has the smallest focal spot of the three at 0.07×0.06mm with an optical power of 1,000-1,600mW, making it ideal for very precise, intricate engravings. When you order an Ortur Laser Master engraver, you get the choice of three different laser modules: the LU2-2, the LU2-4-SF, and the LU2-4-LF.Įach performs different functions, but the good news is that if you’re struggling to choose one, you can purchase all three separately from the Ortur site to further upgrade your machine.

Price: $329.99 – Available at Ortur store here.

I also like that it comes with a bracket that takes just two minutes to install onto your laser engraver that you can securely place the controller in when you’re not using it. The controller turns on automatically after the RJ10 port is connected. This Ortur Laser Master 2 upgrade has a variety of ports for easy connectivity, including USB and RJ10 Data interfaces and a MicroSD card port for inputting the memory card that contains your g code.

It has four different interfaces to support this a file interface, a movement interface, a function interface, and a default interface. You can use it to control every aspect of the engraving process, including axis movement. The Ortur offline controller is super intuitive and easy to use, with a touchscreen and both WiFi and Bluetooth connectivity. The main benefit is that you can control your engraver without needing a computer, so you remove the risk of ruining your work if your PC were to crash.

However, you can buy an offline controller separately to upgrade your Ortur Laser Master 2 Pro, and this is another component that can greatly improve your experience. Many hobbyists prefer offline controllers, but this isn’t something that comes as standard with many affordable laser engravers, including the Laser Master models.

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