Product Details
Optical Specification:
Material:K9(Opticla glass,Quartz glass)
Design Wavelength:633mm
Focus Length Tolerance:+/-2%~0.5%
Radius:R2~1000MM
Diameter:2mm~500mm
Diameter Tolerance:+0/-0.2mm~+0/-0.02mm
Surface Accuracy;2~0.1
Surface Quality:80/50~10/5
Centration:5'~1'
Clear Aperture:>80%~95%
Bevel:0.3mm*45°~0.1mm*45°
Coating:Accroding to customer's requirement