High Quality CO2 Laser Mirror Lenses 1. Diameter 19/20/25mm 2. ... lens/ ZnSe laser optical lens CO2 laser lens can stand high-power density, the film is firm, wipe resistance is great ... of double-side antireflective coating film(10.6μm )≥99%.Part Nodiameterfocal lengthshapeCX20-120mm/25mm38.1mmPX, PV, CV-CXCX20-220mm/25mm50 ... PV, CV-CXCX20-820mm/25mm7.5''PX, PV, CV-CX High Quality CO2 Laser Mirror Lenses