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 ... , PV, CV-CXCX20-820mm/25mm7.5''PX, PV, CV-CX High Quality CO2 Laser Mirror Lenses