CO2 Laser ZnSe Meniscus Focus Lens

Common Specification

Material:USA CVD ZnSe
Wavelength:10.6um
Diameter:12/15/18/19.05/20/25&25.4/28mm
Diameter tolerance:+0/-0.1mm
Focal length:25.4/38.1/50.8/63.5/76.2/101.6/127/160mm
Focal length tolerance:±2%
Transmittance:99.80%
Clear aperture(polished):＞90%
AR coating reflectivity:＜0.2%
Scratch-dig:20-10