Product Details
Opitcal Specification:
Meterical:K9(Optical glass,Quartz glass,Infrared crystal)
Design Wavelength:633nm
Focus Length Tlerance:+/-2%~0.5%
Radius;R0.75~5000mm
Figure Dimension:5mm*5mm~200mm*120mm
Dimension Tolerance:+0/-0.2mm~+0/-0.1mm
Thickness Tolerance:+/-0.1mm~+/-0.02mm
Surface Accuracy:2~1/8
Suiface Quality:80/50~10/5
Centration:5'~1'
Clear Aperture>85%~90%
Bevel:0.5mm*45°~0.2mm*45°
Coating:Accroding to customer's requirement.