Focuslens get burnt

[ebure]

I have a 180W Co2 bodor lasercutter. After some time of use the focus lens get burn marks in the middle. After I switched to a higher power compressor the lens last longer. Is these burnmarks I suppose from smoke possible to clean off or do I have to change lens every time this happens ?

I would also be happy for any info on wherre to buy 100 focal lenses for a good price!

Cheers!

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[epilotdk]

Never cut or engrave without air and clean your lens frequently. Might be you would get better longevity out of a higher quality lens. II-VI Infrared : World Best Laser Optics, IR Thermal Imaging Optics, 1 Micron Optics and Optical Materials is good quality.

[SPT-Laser]

Hello,

If not burn, just the smoke cover the lens, you can use over 95% alcohol to clean the lens with cotton swab gently.

We are factory to make laser tube, lens and mirrors. If any help, feel free to contact me.

Best Regards
Emily