High Quality CO2 Laser Mirror Lenses 1. Diameter 19/20/25mm 2. different focal length and diameter 3. CO2 Laser lens CO2 laser lens/ ZnSe laser optical lens CO2 laser lens can stand high-power density, the film is firm, wipe resistance is great, transmittance of double-side antireflective coating film(10.6μm )≥99%.Part Nodiameterfocal lengthshapeCX20-120mm/25mm38.1mmPX, PV, CV-CXCX20-220mm/25mm50 ...