CO2 Laser Cutter Lenses; Size:D20 F50.8 2" You have to replace lenses

You have to replace lenses ONLY in laminar flow benches without any contamination

Recommended to check every 2-3 weeks at least by operators

and easy installation

Durable construction for extended tool life

CONTAMINAITING THE LASER HEAD WILL FOR SURE DAMAGE EXPENSIVE INTERNAL COLIMATING AND FOCUSING LENSES

CO2 Laser Cutter Lenses; Size:D20 F50.8 2" You have to replace lensesFor all CO2 laser cutters up to 180Watt tube power. When the cutting quality or depth is degrading it may be one of few spares: Lenses, Mirrors, Tube or laser generator. Aside of course alignment of the laser beam. Lenses comes in different "beam length". As a general rule the shorter the beam the less depth it has to cut deep sheets and elements but it's much finer for example for intricate engravings. They come in inches or mm. For example as a