lens 20mm co2 :
Material:CVD ZnSe/ GaAs
F.L:76.2mm E.T 3mm
Diameter:20mm
Application:laser cutting, welding, engraving,..
Port: Shenzhen,Hongkong
Minimum Order Quantity: 1 Piece/Pieces Other
Supply Ability: 50000 Piece/Pieces per Year Other
Payment Terms: L/C,T/T,Western Union
Contact Supplier
Packaging Detail: In carton or wooden cases.
Delivery Detail: We have lots of goods stock and deliver goods at any time.
lens 20mm co2 specifications:
Focal Length Tolerance: ±1%
Diameter Tolerance:+0.00/-0.01mm
Thickness Tolerance: ±0.1mm
Surface Accuracy: λ/2 at 632.8nm
Surface Quality: 20-10
Cent ration :< 3'
Clear Aperture : >90%
Beveling :< 0.2×45°
Coating: AR/AR 10.6um
Parameter for laser lens
| Part No. | Diameter(mm) | F.L(mm) | E.T(mm) | Material |
| BL18.0-2.0-2.0 | 18.0 | 50.8 | 2.0 | CVD/PVD ZnSe |
| BL18.0-2.5-2.0 | 18.0 | 63.5 | 2.0 | CVD/PVD ZnSe |
| BL19.05-1.5-2.0 | 19.05 | 38.1 | 2.0 | CVD/PVD ZnSe |
| BL19.05-2.0-2.0 | 19.05 | 50.8 | 2.0 | CVD/PVD ZnSe |
| BL19.05-2.5-2.0 | 19.05 | 63.5 | 2.0 | CVD/PVD ZnSe |
| BL20.0-1.5-2.0 | 20.0 | 38.1 | 2.2 | CVD ZnSe/ GaAs |
| BL20.0-2.0-2.0 | 20.0 | 50.8 | 2.2 | CVD ZnSe/ GaAs |
| BL20.0-2.5-2.0 | 20.0 | 63.5 | 2.2 | CVD ZnSe/ GaAs |
| BL20.0-3.0-2.0 | 20.0 | 76.2 | 2.5 | CVD ZnSe/ GaAs |
| BL1.0”-2.0-3.0 | 25.4 | 50.8 | 3.0 | CVD ZnSe |
| BL1.0”-2.5-3.0 | 25.4 | 63.5 | 3.0 | CVD ZnSe |
The following are just for packing laser lens pictures
The following are our factory workshop pictures
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