Product Review
Features:
- Meterial: znse imported from IIVI company.
- Diameter: 20mm
- Focal Length:4"
- Edge Thinckness: 2.2mm.
- Tolerance of Thickness : 0.010''
- Edge thickness variation (ETV): <= 0.002''
- Aperture: 90% of the Diameter
- Face accuracy (radial deviation / irregularity) at 0.63um :<= 0.20%
- AR Coating Reflectivity Per surface at 10.6 microns :<= 0.20%
- Work with 30W- 200W CO2 Laser Engraver Cutter.
Packages:
- 1x HQ CVD znse lens
Shipping Times:
- Standard shipping 7-12 working days from China to USA by USPS
- Expedited Shipping 4-5 wroking days from China to USA by DHL, Fedex or UPS.