Longer focus length lenses have longer depths of field allowing the laser beam to keep focus for deeper cuts. Short focus lenses produce smaller spot sizes for fine engraving.
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- The warranty of machine is 14 months
- The warranty of laser tube, focus lens. reflective mirror, beam combiner, water chiller, air compressor, water seperator, water pump, air pump and exhaust system are 6 months.
- The warranty is dated from Ex Factory Date.
- During warranty, we will send the parts to you for repairing/replacing.
- When the warranty is over, we will charge for replacing.
- If there's any problem in future, we will give you tech support by sending email/telephone/skype and we will send you tech documents to fix the problems.