ZnSe Double Concave Lens

Common Specifications:

Material:CVD laser grade zinc selenide
Diameter Error:+0.0/-0.1mm
Effective Focal Length Error:±1%
Surface Quality:40/20~60/40
Design Wavelength:10.6μm
Center Thickness Error:±0.2mm
Lens Centering Error:＜3"
Bevel:0.2mmX45°